JP4735358B2 - Advertisement delivery system, advertisement delivery method, and advertisement delivery program - Google Patents

Description

  The present invention relates to an advertisement distribution system, an advertisement distribution method, and an advertisement distribution program that distribute advertisements via a communication network.

  With the spread of the Internet, mobile phones and personal computers are widely used as advertising media. For example, a banner advertisement is generally posted on a WEB site connected via the Internet, or an advertisement is described in a mail and transmitted. Further, in order to enhance the advertising effect, a mobile phone that provides an advertising message instead of the calling sound and ringing tone of the mobile phone can be considered.

  In general, advertisements for products and services are provided to existing customers and registered users of the WEB site from advertisers such as communication carriers and product sales operators. In order to develop new customers and expand business, it is important to provide advertisements to users effectively. For example, since a user who has already obtained information about a product through a so-called “word of mouth” is highly likely to be interested in the product, the effect of advertisement can be expected.

  An advertisement distribution system that provides an efficient and highly effective advertisement distribution technique has been proposed (see, for example, Patent Document 1). Patent Document 1 describes that when an e-mail sender sends an e-mail with an advertisement attached, and the e-mail recipient purchases the product, the profit is returned to both the e-mail sender and the recipient. Yes. With such a configuration, it can be expected that the receiver's willingness to purchase is stimulated and the advertisement activity of the sender is promoted.

JP 2002-288528 A (paragraphs 0049-0050)

  However, in the method described in Patent Document 1, the mail sender must select an advertisement and attach it to the mail. Also, there is no particular consideration for users who are likely to be interested in the product.

  Therefore, the present invention provides an advertisement distribution system, an advertisement distribution method, and an advertisement distribution program that can effectively distribute advertisements to users who are highly likely to be interested in a product during a call or communication. The purpose is to do.

  An advertisement distribution system according to the present invention is an advertisement distribution system that distributes advertisement information to a source communication terminal device that is about to start communication, and stores communication history information that indicates a history of communication partners of each communication terminal device. Communication history information storage means, product purchase history storage means for storing the product purchase history of users of the respective communication terminal devices, and communication history when the source communication terminal device starts communication with other communication terminal devices The information stored in the information storage means and the information stored in the product purchase history storage means are searched, and information indicating that communication with the caller communication terminal device is performed is stored in the communication history information storage means. Specified communication terminal device and a communication terminal device in which information indicating that the user has purchased the product is stored in the product purchase history storage means Determining means for determining whether or not there is a terminal device, and advertisement transmitting means for transmitting the advertisement information of the product to the source communication terminal device when the determining means determines that the specific communication terminal device exists It is characterized by.

  The determining means is a communication terminal apparatus in which information indicating that communication with the other party is performed in the communication history information storage means, and that the user has purchased the product. When there is a communication terminal device whose information is stored in the product purchase history storage unit, the date and time when the user purchased the product stored in the product purchase history storage unit and the source communication terminal device communicate with other communication The communication terminal device may be determined to be a specific communication terminal device when the difference between the date and time when communication with the terminal device is started is within a predetermined time. According to such a configuration, the advertising effect can be further enhanced.

  A questionnaire management means is provided for collecting and storing questionnaire response information about the product from the communication terminal device of the user who purchased the product, and the determination means sets a predetermined time based on the questionnaire response information stored by the questionnaire management means. May be. According to such a configuration, it is possible to change the condition for transmitting the advertisement in accordance with the contents of the questionnaire response.

  The determination means sets a predetermined time longer when the questionnaire response information indicates that the satisfaction level with the product is equal to or higher than a predetermined level, and indicates that the satisfaction level with the product is less than the level. In such a case, the predetermined time may be set short. According to such a configuration, when the satisfaction level of the product is high, the transmission condition can be broadened and the advertisement can be actively performed, and the advertising effect can be further enhanced. When the satisfaction level of the product is low Can prevent the advertisement from having an adverse effect by narrowing the transmission condition so that the advertisement is not repelled.

  The advertisement transmission unit may transmit predetermined advertisement information when the determination unit determines that there is no specific communication terminal device. According to such a configuration, the advertisement can be transmitted even in a situation where there is no purchaser by the advertisement.

  An advertisement distribution method according to the present invention is an advertisement distribution method for distributing advertisement information to a source communication terminal device that is about to start communication, and stores communication history information indicating a history of communication partners of each communication terminal device. A communication history information storage step, a product purchase history storage step for storing a product purchase history of a user of each communication terminal device, and a communication history when the caller communication terminal device starts communication with another communication terminal device. The information stored in the information storage step and the information stored in the product purchase history storage step are searched, and information indicating that communication has been performed with the caller communication terminal device is stored in the communication history information storage step. Specific communication which is a communication terminal device and a communication terminal device in which information indicating that the user has purchased a product is stored in the product purchase history storage step A determination step of determining whether or not a terminal device exists, and an advertisement transmission step of transmitting advertisement information of a product to a transmission source communication terminal device when it is determined in the determination step that a specific communication terminal device exists. Features.

  An advertisement distribution program according to the present invention is an advertisement distribution program installed in an advertisement server that distributes advertisement information to a transmission source communication terminal device that is about to start communication. When starting communication with the communication terminal device, communication history information indicating the history of the communication partner of each communication terminal device stored in the communication history information storage unit and each communication stored in the product purchase history storage unit Search for product purchase history information of the user of the terminal device, and a communication terminal device in which information indicating that communication with the other party is performed in the communication history information storage means, and It is determined whether or not there is a specific communication terminal device that is a communication terminal device in which information indicating that the user has purchased a product is stored in the product purchase history storage unit. A constant process, when it is determined that the specific communication terminal unit in the determination process exists, characterized in that to perform the advertisement transmission process of transmitting the advertisement information items to the source communication terminal.

  A user who purchases a product by viewing an advertisement transmitted to the mobile terminal is likely to transmit information about the purchased product to a communication partner through a so-called “word-of-mouth” through a call or an e-mail. According to the present invention, since the advertisement of the purchased product is distributed to the mobile terminal of the communication partner of the user who purchased the product, there is an effect that the advertisement can be effectively distributed. Moreover, the conditions for sending advertisements can be changed according to the contents of the questionnaire responses.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing an embodiment of an advertisement distribution system according to the present invention. The advertisement distribution system shown in FIG. 1 includes a mobile terminal 1, an infrastructure (infrastructure) unit 2, and an advertisement server 3.

  The mobile terminal 1 is an information processing apparatus having a communication function and capable of online shopping by connecting to the Internet. The mobile terminal 1 has, for example, an e-mail function and a browser function. In the following description, the case where the mobile terminal 1 is a mobile phone having a call function will be described as an example.

  The mobile terminal 1 transmits purchase information on the product A to the advertisement server 3 via the infrastructure unit 2 when the user purchases the product A using the browser function of the mobile terminal 1 or the like. FIG. 2 is an explanatory diagram illustrating an example of purchase information. As shown in FIG. 2, the purchase information includes “purchase terminal identification information” that can identify the mobile terminal that purchased the product, “product identification information” that can identify the purchased product, and “product that indicates the date and time when the product was purchased. Information including “date of purchase”.

  FIG. 3 is an explanatory diagram illustrating a configuration example of the infrastructure unit 2. The infrastructure unit 2 is a system that constitutes a mobile phone network, and receives communication information from the communication history management unit 21, an advertisement information transmission request unit 22 that requests the advertisement server 3 to transmit advertisement information, and the advertisement server 3. And an advertisement information transfer means 23 for transferring to the portable terminal 1. The infrastructure unit 2 includes a radio base station (not shown) for communicating with the mobile terminal 1, a control station, and a server device (not shown) for executing the above-described processing.

  The communication history management unit 21 receives communication from the mobile terminal 1 and generates communication history information. FIG. 4 is an explanatory diagram illustrating an example of communication history information. As shown in FIG. 4, the communication history information is information having “transmitting terminal identification information” that can identify the calling portable terminal, “receiving terminal identification information” that can identify the receiving portable terminal, and “communication date and time”. is there. The communication history information may be a call history or a communication history such as an e-mail.

  The advertisement information transmission request unit 22 transmits an advertisement information transmission request to the advertisement server 3. The advertisement information transmission request is information including communication history information. The advertisement information transmission request unit 22 transmits an advertisement information transmission request to the advertisement server 3 when receiving a call from the mobile terminal 1.

  The advertisement information transfer means 23 receives the advertisement information transmitted from the advertisement server 3 and transfers it to the mobile terminal 1.

  FIG. 5 is an explanatory diagram illustrating a configuration example of the advertisement server 3. The advertisement server 3 includes advertisement information selection means 31, communication history information management means 32, advertisement information storage means 33, purchase information management means 34, questionnaire transmission management means 35, and advertisement transmission history management means 36. .

  The advertisement information selection unit 31 receives the advertisement information transmission request transmitted by the advertisement information transmission request unit 22, selects the advertisement information, and transmits it to the advertisement information transfer unit 23. The advertisement information selection means 31 determines whether or not the communication partner with which the mobile terminal 1 communicated in the past has purchased the product during a certain period before and after the communication date and time, and if so, the advertisement of the product Is transmitted to the portable terminal 1. Further, the advertisement information selection means 31 sets a period that serves as a determination criterion when selecting an advertisement based on the answer information of the questionnaire managed by the questionnaire transmission management means 35.

  The communication history information management unit 32 includes a storage unit that stores communication history information included in the advertisement information transmission request received by the advertisement information selection unit 31.

  The advertisement information storage means 33 is a storage means for storing advertisement information in advance. FIG. 6 is an explanatory diagram illustrating an example of advertisement information. As shown in FIG. 6, the advertisement information is information including “product identification information” that can identify the product and “product advertisement data” of the corresponding product. In FIG. 6, “voice advertisement of product A calling sound” is illustrated as “product advertisement data” of product A, but the product advertisement data includes, for example, text advertisements and image advertisements attached to e-mails, etc. It may be.

  The purchase information management unit 34 includes a storage unit that stores purchase information transmitted from the mobile terminal 1.

  The questionnaire transmission management means 35 transmits a questionnaire to the purchaser's mobile terminal 1 after a certain period of time after purchasing the product, and receives and manages the response information of the questionnaire transmitted from the mobile terminal 1. FIG. 7 is an explanatory diagram showing an example of questionnaire response information. As shown in FIG. 6, the answer information includes “answer terminal identification information” that can identify the mobile terminal that answered the questionnaire, “product identification information” that can identify the product that answered the questionnaire, and “response content”. It is. In FIG. 7, “good” is illustrated as “response content”, but the response content represents, for example, impressions and impressions of products such as “good”, “normal”, and “bad” in stages. It may be a numerical value or any number of stages.

  The questionnaire transmission management means 35 is connected to, for example, a charge server (not shown) of a portable terminal, and when a questionnaire response is received, the purchase price of the product and the call charge are discounted at the charge server. Reduced to 1. In addition, the questionnaire response managed by the questionnaire transmission management unit 35 is a determination criterion when the advertisement information selection unit 31 transmits an advertisement.

  The advertisement transmission history management unit 36 registers and manages the transmission history information of the advertisement information transmitted by the advertisement information selection unit 31. The transmission history information is information including “transmission destination terminal identification information” indicating an advertisement transmission destination mobile terminal, “product identification information” that can identify the transmitted advertisement, and “number of transmissions”. By registering the transmission history information, it can be used together with purchase information and questionnaire response information for analysis of advertising effects, planning of sales strategies, and the like.

  In the present embodiment, the communication partner search unit, the purchase history determination unit, and the advertisement transmission unit are realized by the advertisement information selection unit 31. The questionnaire management means is realized by the questionnaire transmission management means 35.

  Next, the operation of the embodiment will be described with reference to the drawings. FIG. 8 is a sequence diagram illustrating an example of an operation when the mobile terminal 1 transmits. In the following description, the mobile terminal 1 has not been transmitted from the purchaser of the product, and the communication history information management unit 32 stores the communication history information whose “receiving terminal identification information” is “mobile terminal 1”. The case where it is not done is illustrated.

  When the mobile terminal 1 transmits to the mobile terminal 1-2 (step S101), the advertisement information transmission request unit 22 of the infrastructure unit 2 transmits an advertisement information transmission request to the advertisement information selection unit 31 (step S102). The advertisement information transmission request includes, for example, “transmitting terminal identification information” of “mobile terminal 1”, “receiving terminal identification information” of “mobile terminal 1-2”, and “communication date / time” of “January 1, 2006”. Some information.

  In step S103, the advertisement information selection means 31 receives the transmitted advertisement information transmission request, and uses the “transmission terminal identification information” of the communication history information included in the received advertisement information transmission request as a key, communication history information management means. The “reception terminal identification information” in the communication history information stored in the memory 32 is searched.

  For example, the “transmission terminal identification information” of the communication history information included in the received advertisement information transmission request is “portable terminal 1”. When “reception terminal identification information” of communication history information stored in the communication history information management means 32 is searched using “mobile terminal 1” as a key, there is no information in which “reception terminal identification information” is “mobile terminal 1”. Therefore, communication history information that matches the conditions is not searched.

  When the communication history information matching the condition is not searched, the advertisement information selection unit 31 determines that the mobile terminal 1 has not received a transmission from the purchaser of the product, and stores it in the advertisement information storage unit 33, for example. The predetermined advertisement information is selected and transmitted to the advertisement information transfer means 23. Further, the advertisement transmission history management unit 36 registers transmission history information related to the transmitted advertisement.

  The advertisement information transfer unit 23 transmits the received advertisement information to the mobile terminal 1 (step S104). Further, when the infrastructure unit 2 performs a calling process for the portable terminal 1-2 (step S105) and the portable terminal 1-2 performs a connection process, a call between the portable terminal 1 and the portable terminal 1-2 becomes possible.

  Next, the operation when the mobile terminal 1 purchases a product using the received advertisement information will be described. FIG. 9 is a sequence diagram illustrating an example of an operation when the mobile terminal 1 purchases a product. In the following description, a case where the mobile terminal 1 receives the advertisement information about the product A and purchases the product A is illustrated.

  When the user of the mobile terminal 1 purchases the product A using the browser function or the like of the mobile terminal 1, the mobile terminal 1 transmits purchase information about the product A to the advertisement server 3 via the infrastructure unit 2 ( Step S106). The purchase information management means 34 of the advertisement server 3 stores the transmitted purchase information.

  The questionnaire transmission management means 35 transmits a questionnaire to the purchaser's mobile terminal 1 after a certain period of time after purchasing the product (step S107), and receives and manages the questionnaire response transmitted from the mobile terminal 1 (step S107). S108).

  Next, the operation when the mobile terminal 1-2 transmits will be described. FIG. 10 is a sequence diagram illustrating an example of an operation when the mobile terminal 1-2 transmits.

  When the mobile terminal 1-2 transmits to the mobile terminal 1-3 (step S201), the advertisement information transmission request unit 22 of the infrastructure unit 2 transmits an advertisement information transmission request to the advertisement information selection unit 31 (step S202). . The advertisement information transmission request includes, for example, “transmission terminal identification information” “mobile terminal 1-2”, “reception terminal identification information” “mobile terminal 1-3”, and “communication date / time” “January 10, 2006”. Is the information.

  Hereinafter, the process of step S203 will be described with reference to the drawings. FIG. 11 is a flowchart showing an example of the operation of the advertisement information selection unit 31 in step S203.

  The advertisement information selection unit 31 receives the transmitted advertisement information transmission request, and is stored in the communication history information management unit 32 using “transmission terminal identification information” of the communication history information included in the received advertisement information transmission request as a key. The “reception terminal identification information” of the communication history information being searched is searched (step S301), and it is determined whether or not communication history information matching the conditions has been searched (step S302).

  For example, the “transmission terminal identification information” of the communication history information included in the received advertisement information transmission request is “portable terminal 1-2”. When “reception terminal identification information” of communication history information (see FIG. 4) stored in the communication history information management means 32 is searched using “portable terminal 1-2” as a key, “reception terminal identification information” becomes “mobile”. Communication history information whose “terminal 1-2” and “transmitting terminal identification information” is “mobile terminal 1” is searched. “Portable terminal 1” is a communication partner with whom “portable terminal 1-2” has communicated in the past.

  If it is determined in step S302 that the search has been made (Yes), the advertisement information selection unit 31 determines that the mobile terminal 1-2 has received a call from the purchaser of the product, and “ Acquire “calling terminal identification information”. The advertisement information selection means 31 searches the purchase information stored in the purchase information management means 34 using the “transmission terminal identification information” of the acquired communication history information as a key (step S303), and purchase information that matches the conditions is found. It is determined whether or not a search has been made (step S304).

  For example, the “transmission terminal identification information” of the retrieved communication history information is “portable terminal 1” (see FIG. 4). When purchase information (see FIG. 2) is searched using “mobile terminal 1” as a key, purchase information whose “product identification information” is “product A” is searched.

  If it is determined in step S304 that the search has been made (Yes), the advertisement information selection unit 31 further determines that the mobile terminal 1 has purchased the product A, and further includes the “product purchase date and time” of the searched purchase information. It is determined whether or not the difference from the “communication date / time” of the communication history information searched in S301 is within a certain period (step S305).

  For example, the “purchase date and time” of the searched purchase information is “January 1, 2006” (see FIG. 2), and the “communication date and time” of the communication history information searched in step S301 is “2006 1”. In the case of “Month 10th”, the condition is satisfied if the predetermined period is one month before and after the “product purchase date”.

  In addition, the certain period that is the determination criterion in step S305 is determined according to the answer to the questionnaire managed by the questionnaire transmission management unit 35. That is, it is determined according to the “response contents” of the questionnaire response information searched using “purchasing terminal identification information” and “product identification information” of the purchase information searched in step S303 as keys. For example, when “answer content” is “good”, that is, favorable content, it is preferable to set a long period (for example, one month) and actively advertise. In addition, when the “response content” is “bad”, the period is shortened (for example, 1-2 days) or is not transmitted so that the advertisement is not repelled (that is, the period length is 0). It is preferable to set so. The period may be set by choosing between “good” and “bad”, but if the questionnaire response is divided into several levels (levels), it will exceed the predetermined level. If it is an answer, the period may be set longer, and if it is less than that level, the period may be set shorter.

  If the date and time conditions are satisfied in step S305 (Yes), the advertisement information selection unit 31 uses the “product identification information” of the purchase information retrieved in step S303 as a key to store the advertisement information stored in the advertisement information storage unit 33. A search is performed (step S306), and it is determined whether or not advertisement information matching the condition has been searched (step S307).

  For example, the “product identification information” of the purchase information searched in step S303 is “product A” (see FIG. 2). When advertisement information (see FIG. 6) is searched using “product A” as a key, advertisement information whose “product advertisement data” is “voice advertisement of product A” is searched.

  If it is determined in step S307 that the search has been made (Yes), the advertisement information selection unit 31 selects the searched advertisement information and transmits it to the advertisement information transfer unit 23 of the infrastructure unit 2 (step S308), and a series of processes Exit.

  In Steps S302, S304, S305, and S307, when the judgment condition is not met (No), the advertisement information selection unit 31 selects, for example, predetermined advertisement information stored in the advertisement information storage unit 33 and performs an advertisement. It transmits to the information transfer means 23, and complete | finishes a series of processes.

  With reference to the sequence diagram shown in FIG. 10 again, the processing after step S204 will be described. In step S203, when the advertisement information is transmitted to the advertisement information transfer unit 23, the advertisement information transfer unit 23 transmits the received advertisement information to the portable terminal 1-2 (step S204). For example, the advertisement information of “product A” is transmitted to the mobile terminal 1-2. Further, the advertisement transmission history management unit 36 registers, for example, transmission history information in which “transmission destination terminal identification information” is “mobile terminal 1-2” and “product identification information” is “product A”.

  When the infrastructure unit 2 performs a calling process for the portable terminal 1-3 (step S205) and the portable terminal 1-3 performs a connection process, a call between the portable terminal 1-2 and the portable terminal 1-3 becomes possible. In addition, the mobile terminal 1-2 can execute an advertisement without being aware of whether the received advertisement information is predetermined advertisement information or advertisement information related to a product purchased by the mobile terminal 1 communicated in the past. Can be received.

  In the present embodiment, the case where predetermined advertising information is transmitted to the mobile terminal 1 is exemplified. However, the communication partner with which the mobile terminal 1 communicated in the past sends the product during a certain period before and after the communication date and time. If purchased, the advertisement information of the purchased product is transmitted in the same manner as the portable terminal 1-2. In addition, depending on the situation, such as the number of mobile devices that meet the conditions for sending advertisement information for purchased products increased and the number of mobile devices that do not meet the conditions decreased, advertisement distribution to mobile devices that do not meet the conditions will be stopped. May be.

  Further, although the mobile phone is exemplified as the mobile terminal, a personal computer having an electronic mail function or a browser function may be used. In this case, it is good also as chat which transmits messages, such as a character, instead of a telephone call, and the advertisement information of the goods which the other party who communicated in the past, such as chat and an email, may be transmitted. The advertisement server 3 may be installed by a business operator operating an Internet shopping site or an Internet service provider.

  As described above, according to the present embodiment, the advertisement of the product is distributed to the mobile terminal that is highly likely to obtain information about the product from the user who purchased the product by “word of mouth”. An advertisement can be distributed effectively. In addition, since the conditions of the advertisement distribution destination are determined according to the questionnaire response contents of the user who purchased the product, the advertisement distribution destination can be determined effectively according to the impression of the product.

  The present invention can be effectively applied when distributing advertisements via a communication network, and is particularly suitable for distributing advertisements to users who are already interested in products through “word-of-mouth”. Is done.

It is a block diagram which shows one Embodiment of the advertisement delivery system by this invention. It is explanatory drawing which shows the example of purchase information. It is explanatory drawing which shows the structural example of an infrastructure part. It is explanatory drawing which shows the example of communication log information. It is explanatory drawing which shows the structural example of an advertisement server. It is explanatory drawing which shows the example of advertisement information. It is explanatory drawing which shows the example of the reply information of a questionnaire. It is a sequence diagram which shows an example of the operation | movement at the time of a portable terminal transmitting. It is a sequence diagram which shows an example of the operation | movement when a portable terminal purchases goods. It is a sequence diagram which shows an example of the operation | movement at the time of a portable terminal transmitting. It is a flowchart which shows an example of operation | movement of an advertisement information selection means.

Explanation of symbols

1 Mobile terminal 2 Infrastructure 3 Advertising server

Claims (7)

An advertisement distribution system that distributes advertisement information to a source communication terminal device that is about to start communication,
Communication history information storage means for storing communication history information indicating the history of the communication partner of each communication terminal device;
Product purchase history storage means for storing the product purchase history of the user of each communication terminal device;
When the transmission source communication terminal device starts communication with another communication terminal device, the information stored in the communication history information storage unit and the information stored in the product purchase history storage unit are searched, and the transmission Information indicating that communication with the former communication terminal device is performed is a communication terminal device stored in the communication history information storage means, and information indicating that the user has purchased a product is Determining means for determining whether or not there is a specific communication terminal device that is a communication terminal device stored in the product purchase history storage means;
An advertisement distribution system comprising: an advertisement transmission unit configured to transmit the advertisement information of the product to the transmission source communication terminal device when the determination unit determines that the specific communication terminal device exists. The determining means is a communication terminal apparatus in which information indicating that communication with the other party is performed in the communication history information storage means, and that the user has purchased the product. When there is a communication terminal device in which the information to be stored is stored in the product purchase history storage unit, the date and time when the user purchased the product stored in the product purchase history storage unit and the transmission source communication terminal device The advertisement distribution system according to claim 1, wherein the communication terminal device is determined to be a specific communication terminal device when a difference between a date and time when communication with another communication terminal device is started is within a predetermined time. A questionnaire management means for collecting and storing questionnaire response information about the product from the communication terminal device of the user who purchased the product,
The advertisement distribution system according to claim 2, wherein the determination unit sets a predetermined time based on questionnaire response information stored in the questionnaire management unit. The determination means sets a long predetermined time when the questionnaire response information indicates that the satisfaction level with the product is equal to or higher than a predetermined level, and indicates that the satisfaction level with the product is less than the level. The advertisement distribution system according to claim 3, wherein the predetermined time is set to be short when it is shown. The advertisement distribution system according to any one of claims 1 to 4, wherein the advertisement transmission unit transmits predetermined advertisement information when the determination unit determines that there is no specific communication terminal device. An advertisement distribution method for distributing advertisement information to a source communication terminal device that is about to start communication,
A communication history information storage step for storing communication history information indicating the history of the communication partner of each communication terminal device;
A product purchase history storage step for storing a product purchase history of a user of each communication terminal device;
When the source communication terminal device starts communication with another communication terminal device, the information stored in the communication history information storage step and the information stored in the product purchase history storage step are searched, and the source communication The information indicating that communication with the terminal device is performed is the communication terminal device stored in the communication history information storage step, and the information indicating that the user has purchased the product is the product purchase history. A determination step of determining whether or not there is a specific communication terminal device that is the communication terminal device stored in the storage step;
An advertisement distribution method comprising: an advertisement transmission step of transmitting advertisement information of the product to the transmission source communication terminal device when it is determined in the determination step that the specific communication terminal device is present. An advertisement distribution program installed in an advertisement server that distributes advertisement information to a source communication terminal device that is about to start communication,
In the advertising server,
Communication history information and product purchase history storage means indicating communication history of each communication terminal device stored in the communication history information storage means when the transmission source communication terminal apparatus starts communication with another communication terminal apparatus The product purchase history information of the users of the respective communication terminal devices stored in is searched, and information indicating that the communication with the caller communication terminal device is performed is stored in the communication history information storage means. It is determined whether there is a specific communication terminal device that is a communication terminal device and a communication terminal device in which information indicating that the user has purchased a product is stored in the product purchase history storage unit A determination process to
An advertisement distribution program for executing an advertisement transmission process for transmitting advertisement information of the product to the transmission source communication terminal apparatus when it is determined in the determination process that the specific communication terminal apparatus exists.

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