KR20090072777A - A method and computer readable recording medium for providing an extended contact list and enhanced conversation function in a messenger - Google Patents

Abstract

The present invention relates to a method for providing an expanded contact list and enhanced conversation function in a messenger, and a computer readable recording medium for recording a computer program for executing the method. According to an aspect of the present invention, there is provided a method of expanding a contact list of a messenger, the method comprising: receiving an internet community identifier, retrieving an internet community corresponding to the received internet community identifier, and a member of the retrieved internet community A method is provided that includes expanding the contact list of the messenger using information.

Description

METHOD AND COMPUTER-READABLE RECORDING MEDIUM FOR PROVIDING EXTENDED USER LIST AND ENHANCED DIALOG FUNCTIONS}

The present invention relates to a method for providing an expanded contact list and an enhanced conversation function in a messenger, and a computer readable recording medium for recording a computer program for executing the method. More specifically, in a messenger, A method and computer readable recording medium for providing an expanded contact list using a predetermined group of user information, such as an Internet community, while providing users with a broader conversation opportunity by utilizing information on a contact list of a messenger. It is about.

In recent years, as communication between users through a communication network such as the Internet becomes popular, many users use messengers to exchange messages with other users through the communication network.

Here, the messenger is a communication program that provides a function of allowing two or more users to send and receive messages or other data in real time. The messenger is also called an instant messenger in that a message is immediately delivered. In 1996, America Online (AOL) launched a buddy list service that shows members' access status, and in 1997, it added real-time conversation to it. On the other hand, in 1998, it is known that Digi-to.com introduced the first messenger.

Such a messenger is basically configured such that when a user on the sending side sends a message to a user on the receiving side, the user on the receiving side immediately knows this. Since this causes the same effect as the actual conversation between users, messenger is widely used as a means for users to communicate with each other (virtual conversation) over the Internet. Such a conversation is mainly performed through a chat window supported by a messenger.

In addition, the messenger generally includes a function of allowing a user to know whether other users included in his or her contact list are in a state where a conversation is possible. That is, unlike in the case of using e-mail, in the messenger, the sender user can more accurately expect whether the receiver user immediately responds.

However, as described above, most of the functions provided by the messenger can be realized only when the users who want to talk to each other register the information (for example, an e-mail address, a phone number, etc.) about the other party in the messenger's contact list. In order to do this, the user needs to obtain information about his / her desired contact and input it through his messenger client, and then receive permission from the corresponding contact to register as a contact.

Therefore, when using a conventional messenger, it has been quite cumbersome for a user to make a request for registering a contact person for a small number of other users and to receive the request again. In particular, from the user's point of view, this hassle can be more disturbing if all other users are members of the same Internet community (eg, Internet cafes, Internet clubs, etc.).

In addition, in the conventional messenger, although a chat window capable of one-to-one or one-to-many chats is supported, in order to invite other users to such a chat window, there is also a hassle that a user who is conducting a chat must invite a chat. As a result, it was difficult for a large number of users to easily join the chat window. In particular, when a plurality of users proceed with the conversation and one user is dropped out of the conversation due to an error of his or her terminal device, the user needs to invite again to join the conversation. there was.

The object of the present invention is to solve all the above-mentioned problems.

Another object of the present invention is to enable a messenger user to easily expand a contact list by using member information that can be obtained from the Internet community.

Another object of the present invention is to enable a messenger user to easily expand his or her contact list using the contact list of another user.

In addition, an object of the present invention is to allow messenger users to easily receive information on conversations of other users and participate in the conversation.

The characteristic constitution of the present invention for achieving the object of the present invention as described above and for achieving the specific effects of the present invention described below is as follows.

According to an aspect of the present invention, there is provided a method of expanding a contact list of a messenger, the method comprising: receiving an internet community identifier, retrieving an internet community corresponding to the received internet community identifier, and a member of the retrieved internet community A method is provided that includes expanding the contact list of the messenger using information.

According to another aspect of the present invention, there is provided a method of expanding a contact list of a messenger of a first user, comprising: receiving contact information belonging to at least one group included in a contact list of a messenger of a second user, And expanding the contact list of the messenger of the first user by using the received contact information.

According to another aspect of the present invention, in a messenger, a method for providing information about a chat window to a first user, the method comprising: providing a first user with information about a chat window in which a second user and a third user participate; And the identification information of the second user and the identification information of the third user are included in the contact list of the messenger of the first user.

According to another aspect of the present invention, in a messenger, a method for providing information about a chat window to a first user, the method comprising: providing a first user with information about a chat window in which a second user and a third user participate; And identification information of the second user is included in the contact list of the messenger of the first user.

According to another aspect of the present invention, in a messenger, a method for providing information about a chat window to a first user, the method comprising: providing a first user with information about a chat window in which a second user and a third user participate; And identification information of the second user and identification information of the third user are included in a predetermined group of the contact list of the first user.

According to another aspect of the present invention, in a messenger, a method of providing information about a chat window to a first user, the method comprising: providing the first user with information about a chat window opened or scheduled to be opened by the second user; And a common Internet community identifier is included in the contact list of the first user and the contact list of the second user.

According to the present invention, a contact list of a messenger user can be easily expanded using member information of an Internet community.

In addition, according to the present invention, a contact list of a messenger user can be easily expanded by using information on a messenger contact list of another user.

In addition, according to the present invention, more chat window information can be provided to the user so that the conversation on the messenger can be more activated.

In addition, according to the present invention, communication between members of the Internet community can be made more active on the messenger.

In addition, according to the present invention, a company that provides a messenger service may further attract attention of users who use the messenger by providing a messenger service having a differentiated function.

DETAILED DESCRIPTION The following detailed description of the invention refers to the accompanying drawings that show, by way of illustration, specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It should be understood that the various embodiments of the present invention are different but need not be mutually exclusive. For example, certain shapes, structures, and characteristics described herein may be embodied in other embodiments without departing from the spirit and scope of the invention with respect to one embodiment. In addition, it is to be understood that the location or arrangement of individual components within each disclosed embodiment may be changed without departing from the spirit and scope of the invention. The following detailed description, therefore, is not to be taken in a limiting sense, and the scope of the present invention, if properly described, is defined only by the appended claims, along with the full range of equivalents to which such claims are entitled. Like reference numerals in the drawings refer to the same or similar functions throughout the several aspects.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily implement the present invention.

Configuration of the entire system

1 is a view showing a schematic configuration of an entire system for providing an improved messenger service according to the present invention.

As shown in FIG. 1, the entire system of the present invention includes the Internet 100, a plurality of user terminal devices 200 that can be connected to the Internet 100, and a user terminal device 200 through the Internet 100. The server 300 may communicate with each other and provide a messenger service. The user terminal device 200 or the server 300 includes a database (not shown) for storing a variety of information that a user registers to receive a messenger service, which is essential for providing a messenger service according to an embodiment of the present invention. May be included.

First, the Internet 100 is a well-known computer communication network for connecting the user terminal device 200 and the server 300, and preferably, may be a well-known World Wide Web (WWW).

In addition, according to an embodiment of the present invention, the user terminal device 200 is a digital communication device including a function for allowing a user to communicate after connecting to the server 300 through the Internet 100, and a personal computer. (For example, a desktop computer, a notebook computer, a palmtop computer, etc.), but data transmission and reception such as a workstation, a personal digital assistant (PDA), a personal communication system (PCS), a web pad, a mobile phone, and the like are possible. In addition, any digital communication device capable of being connected to the Internet 100 and having a memory means and equipped with a microprocessor can be adopted as the user terminal device 200 according to the present invention.

The user terminal device 200 may be connected to the server 300 via the Internet 100 or may be connected to another user's terminal device in a peer-to-peer (P2P) manner. And a messenger program module (eg, Nate-on ^TM provided by Nate, Inc., MSN ^TM provided by Microsoft, etc.) (not shown) for transmitting and receiving data with another user's terminal device. Can be. The messenger program module may be downloaded and installed from the server 300 to the user terminal device 200. Then, the user can use the messenger service by going through a user authentication process such as login.

The user may register another user as his / her conversation partner through the messenger program module on the user terminal device 200, and may check whether another user has logged in to the messenger program module. The user can then start the conversation by sending a message requesting the conversation to another user.

According to the present invention, the messenger program module installed on the user terminal device 200 not only includes all the functions provided by the conventional messenger program, but can also provide differentiated functions according to various embodiments of the present invention. . This will be described later.

The server 300 according to an embodiment of the present invention communicates with the user terminal device 200 through the Internet 100. As described above, the server 300 includes a messenger program module for allowing users of the plurality of user terminal devices 200 connected to the server 300 to communicate with each other via the Internet 100. 200 may be provided.

In addition, according to various embodiments of the present disclosure, the server 300 may expand a contact list of a user using only information of an Internet community including a plurality of user information that may be used for a messenger service such as an Internet cafe. Expand the user's contact list using information included in the contact list of other users registered in the server 300, and provide an enhanced chat function based on the information of the contact list. Can be. In this regard, details will be described later.

In the above, the structure of the whole system of this invention was outlined. Hereinafter, the configuration of the user terminal device 200 and the configuration of the server 300 according to an embodiment of the present invention will be described in detail.

Configuration of User Terminal Device

2 is a diagram illustrating in detail the internal configuration of the user terminal device 200 according to an embodiment of the present invention. Referring to FIG. 2, the user terminal device 200 according to an embodiment of the present invention recognizes login information input by a user for using a messenger service, and transmits the login information to the server 300. It may include a login processing unit 210 to perform a process for allowing a user to be logged in, and a main interface 220 including a user interface for allowing a user to use various messenger services according to the present invention. The main interface 220 of the user terminal device 200 may include another user search and registration requester 222, a contact list providing unit 224, a chat list providing unit 226, and a chat window providing request unit 228. It may include.

According to an embodiment of the present invention, the login processing unit 210, the main interface 220, other user search and registration request unit 222, the contact list providing unit 224, the chat window list providing unit 226 and the chat window The providing request unit 228 may be program modules, at least some of which may communicate with the server 300. Such program modules may be included in the user terminal device 200 in the form of an operating system, an application module, and other program modules, and may be physically stored on various known storage devices. In addition, these program modules may be stored in a remote storage device that can communicate with the user terminal device 200. On the other hand, such program modules include, but are not limited to, routines, subroutines, programs, objects, components, data structures, etc. that perform particular tasks or execute particular abstract data types, described below, in accordance with the present invention.

First, the login processing unit 210 will be described in detail. The login processor 210 recognizes the login information input by the user in order to use the messenger service, transmits the login information to the server 300, and performs a process for allowing the user to log in. The login information may include a unique email address registered when the user subscribes to the messenger service and a password for logging in. However, a separate messenger ID for the messenger service may be registered for each user and used as login information. The login information may be stored in a database in association with an alias when using a messenger service of a user, a comment, and internet community information. In addition, the login information may be set to be automatically transmitted to the server 300 when the user logs on to the operating system of the user terminal device 200 without having to be input every time the user uses the messenger service.

On the other hand, the main interface 220 includes a messenger display screen and a chat window provided to the user as a window for using the messenger service. In the main interface 220, an interface for a user to collectively add members of an Internet community to a contact list according to an embodiment of the present invention, and creates an extended contact list from an existing contact list. An interface for registering, an interface for displaying a list of chat windows generated by other users on the contact list, and the like may be included. As described above, the main interface 220 may include another user search and registration request unit 222, a contact list providing unit 224, a chat window list providing unit 226, and a chat window providing request unit 228. have.

Another user search and registration request unit 222 according to an embodiment of the present invention, in order to connect more contacts to the user according to the contact list expansion logic according to the present invention as described below, The server 300 may search for information on other users who may be chat buddies or register other users as chat buddies of the users.

The contact list providing unit 224 according to an embodiment of the present invention extracts a contact list of a user registered in the user terminal device 200 or the server 300 (preferably, the server 300). This can be presented to the user on the main interface 220.

The chat window list providing unit 226 according to an embodiment of the present invention is a chat window in which another user included in the user's contact list is in conversation with another user, or another user included in the user's contact list. The user may display a list of chat windows including a chat window opened by the user or a chat window for a chat reserved by another user included in the contact list of the user.

When the user selects one of the chat windows belonging to the chat list provided by the chat list providing unit 226 and indicates the intention to participate in the chat, the chat window providing request unit 228 according to an embodiment of the present invention displays the chat window. It can perform the function of requesting to be provided.

In the above, the internal configuration of the entire system and the user terminal device 200 of the present invention has been described. Hereinafter, the configuration of the server 300 according to an embodiment of the present invention will be described in detail.

Server configuration

3 is a view illustrating in detail the internal configuration of the server 300 according to an embodiment of the present invention. 3, the server 300 according to an embodiment of the present invention, the control unit 310, the communication unit 320, the messenger program module providing unit 330, the user state information processing unit 340, other user search And a registration unit 350 and a chat window providing unit 360.

According to an embodiment of the present invention, included in the server 300, the control unit 310, the communication unit 320, the messenger program module providing unit 330, the user status information processing unit 340, other user search and registration unit ( 350 and the chat window providing unit 360 may be program modules in which at least some of them are communicated with the user terminal device 200. Such program modules may be included in the server 300 in the form of operating systems, application modules, and other program modules, and may be physically stored on various known storage devices. In addition, these program modules may be stored in a remote storage device that can communicate with the server 300. On the other hand, such program modules include, but are not limited to, routines, subroutines, programs, objects, components, data structures, etc. that perform particular tasks or execute particular abstract data types, described below, in accordance with the present invention.

First, the control unit 310 according to an embodiment of the present invention includes a communication unit 320, a messenger program module providing unit 330, a user state information processing unit 340, another user searching and registering unit 350, and a chat window providing unit ( 360) to control the flow of data between. That is, the controller 310 according to the present invention controls the flow of data to or from an external device or between each component of the server 300, thereby communicating unit 320, messenger program module providing unit 330, and user state information processing unit. The control unit 340, the other user search and registration unit 350, and the chat window providing unit 360 each perform a unique function.

The communication unit 320 according to an embodiment of the present invention receives a user's login information transmitted from the user terminal device 200, a request for searching and registering other users, a request for providing a chat window, and the like, and various responses accordingly. (Ie, information regarding login permission, search results for other users, information for confirming registration of another user in a contact list, chat window information, etc.) may be transmitted to the user terminal device 200. have. That is, the communication unit 320 may perform a function to enable data transmission / reception from / to the server 300.

The messenger program module providing unit 330 according to an embodiment of the present invention provides a messenger program module that can be installed in the user terminal device 200 as a program package so that a user can easily use a messenger service. To perform the function. Such a messenger program module has been described above.

The user state information processing unit 340 according to an embodiment of the present invention may store login information of other users recorded in the user's contact list stored in the server 300, and other users provided in the conventional messenger. The user may process the state information (for example, information such as "away", "busy", etc.) to provide the user terminal device 200 with the state information of another user. In particular, according to an embodiment of the present invention, the user state information processing unit 340 may additionally provide the user terminal device 200 with information about a person who has opened a chat window or scheduled to open a chat window among other users. Can be. The information may be received by the contact list providing unit 224 or the chat window list providing unit 226 of the user terminal device 200 and reflected on the contact list or the chat window list of the main interface 220.

Another user search and registration unit 350 according to an embodiment of the present invention receives a search or registration request for another user received from another user search and registration request unit 222 of the user terminal device 200, will be described later Performs a search for another user or registers another user in a contact list of a user according to a contact list extension logic. At this time, the other user may be a member of the Internet community to which the user is authenticated, or may be those included in another user's contact list. Identification information, such as email addresses of other users, may be preferably stored in the server 300.

The chat window providing unit 360 according to an embodiment of the present invention may perform a function of providing a user with a chat window for allowing a user to participate in a chat window for a new conversation or a conversation already in progress. According to an embodiment of the present invention, the chat window providing unit 360 may allow the user to be provided with a chat window selected from the chat window list of the main interface 220.

4 is a diagram illustrating a chat window list 420 provided to a user. As shown in the figure, the user is included in his or her contact list through the contact status display list 410 and the chat window list 420 included in the messenger display screen 400 which is part of the main interface 220. Information about the status of the user and a chat window in which he or she can participate (for example, a chat window scheduled for a conversation between Internet community members, a chat window in which only one user is engaged, and a chat window in which another user is talking to another user). You can get information about).

In the above, the configuration of the entire system of the present invention and the user terminal device 200 and the server 300 which are main elements thereof have been described. Hereinafter, the logic of allowing the user to expand the contact list according to various embodiments of the present invention and to be provided with information on various chat windows will be described.

Logic for expanding contact list and collecting chat window information

According to a preferred embodiment of the present invention, the user is a member of the Internet community itself authenticated through the other user search and registration request unit 222 of the main interface 220 is authorized to extract the member information or own You can add them to your contact list. The user may also add at least some of the individual members belonging to the Internet community to the contact list. The expansion of the contact list may be performed by the other user search and registration unit 350 of the server 300.

Let's take a concrete example. For example, let's say you are a member of an Internet cafe named 'BukTim' whose URL is http://cafe.naver.com/bookcomm.cafe, and you want to register all members of BOOKMIT in your contact list. lets do it. In this case, instead of expanding the contact list with the permission of each member, the user inputs the name and email address of the 'Book Mek' members in his or her messenger contact list, instead of using the 'Book Mek' cafe itself as a contact list. Can be included in In this case, that is, the 'Bookkit' cafe may be registered in a user's contact list under a group name of 'Bookkit', and the members may be recognized as a chat partner belonging to the group.

At this time, preferably, the user may be a member of the 'Book Kum' cafe. In this case, the user may input the URL and / or the name of the 'Book Mek' cafe and his cafe member information through the other user search and registration request unit 222, and thus, the other user of the server 300 The search and registration unit 350 may search for and obtain member information of the corresponding cafe, and input the member information into a user's contact list.

Less preferably, the user may not be a member of the 'Book Kum' cafe. However, even in this case, the user may input the URL and / or name of the 'Book Mek' cafe through the other user search and registration request unit 222, and the other user search and registration unit 350 of the server 300 According to the settings of the cafe, the member information is obtained and registered as a user's contact list. Of course, if any individual member of the 'Book Note' cafe has set up to refuse to be registered in the user's contact list arbitrarily, such a setting may be respected.

Meanwhile, another preferred embodiment of the present invention will be described. A user's contact list can contain multiple group names. Suppose that user A has registered his contacts B and C under the group name 'high school alumni'. However, although user B and user C are high school alumni, they may not recognize each other as conversation partners. In this case, in order to allow the user B and the user C to be in contact with each other, the user A may provide the user B with contact information of the 'high school alumni' which is the group to which the user B belongs. In this case, the user B's contact list may be formed with a group called 'high school alumni' like user A, and may include information about user A and user C.

In this case, preferably, the user B, through the other user search and registration request unit 222 of his own user terminal device 200, to the other user search and registration unit 350 of the server 300, A request may be made to add information about a contact who will belong to the 'high school alumni' group on the contact list from the 'high school alumni' group of the user A's contact list of the server 300.

According to another preferred embodiment of the present invention, the user's contact list can also be used to provide more conversation opportunities for the user.

This will be described with reference to FIG. 5. 5 is a diagram illustrating a relationship between users when a user may be provided with more conversation opportunities by using a contact list according to various embodiments of the present disclosure.

FIG. 5A shows a case where a user A, a user B, and a user C have registered a counterpart as a conversation partner (hereinafter referred to as " friend relationship " for convenience). If user B and user C are in a conversation, user A can also be given the right to participate in the dialog. In this case, the chat window of the user B and the user C may be included in the chat window list 420 of the messenger display screen 400 of the user A's user terminal device 200. Of course, the user A can enter the chat window without any separate authentication by simple operation. If the user B and the user C want to communicate without being disturbed by other users, the user B or the user C may set the corresponding conversation window as private. In this case, the chat window is not displayed in the chat list of user A.

5B illustrates a case in which user B has a friend relationship with user A and user C, but user A and user C are not friends with each other. According to an embodiment of the present invention, even when user B and user C have a conversation, the fact may be notified to user A. If user B and user C want to communicate without being disturbed by other users, such a setting can be given to the corresponding chat window. In this case, the chat window is not displayed in the chat list of user A.

That is, according to the present embodiment, when the user C opens a chat window, the user B, which is a friend of the friend, can participate in the chat window after being notified of the chat window. In this case, the user A can subsequently join the chat window. You will be able to participate after being notified.

FIG. 5C shows a case where user A binds user B and user C, who are friends with him, to group D of their contact list. According to one embodiment of the invention, in this case, when user B and user C have a conversation, the fact may be informed to user A. If user B and user C want to communicate without being affected by the group information of user A's contact list, such a setting can be given to the corresponding dialog. In this case, the chat window is not displayed in the chat list of user A.

5D illustrates that User A, User B, and User C all have registered Cafe D in their contact list (ie, preferably, if User A, User B, and User C are all members of Cafe D). Shows. In this case, according to one embodiment of the present invention, if user B opens a chat window (or intends to open a chat window), this fact can be informed to user A and user C. Therefore, according to the present embodiment, the conversation between members of the cafe D can be easily performed using only the messenger service.

According to the embodiment of FIGS. 5A-5D described above, users are provided with more conversation opportunities with each other. In addition, in order for the user to easily expand his or her contact list, all of the contacts in the corresponding chat window may be registered in his or her contact list during the above-mentioned conversation or when the above-mentioned conversation ends. It may be requested through the other user search and registration request unit 222.

In addition, according to the above-described embodiment of FIGS. 5A to 5D, when the user is informed of the information on the chat window, the time point may be set to a time point at which the chat is started in the chat window. In this way, the user can be provided with only information on the chat window in which the user can actively participate in the conversation.

Embodiments according to the present invention described above may be implemented in the form of program instructions that may be executed by various computer components, and may be recorded in a computer-readable recording medium. The computer readable recording medium may include program instructions, data files, data structures, etc. alone or in combination. The program instructions recorded on the recording medium may be specially designed and configured for the present invention, or may be known and available to those skilled in the computer software field. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks and magnetic tape, optical recording media such as CD-ROMs, DVDs, etc., and magneto-optical media such as floptical disks. And hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of program instructions include machine code, such as produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter. The hardware device may be configured to operate as one or more software modules to perform the process according to the invention, and vice versa.

Although the present invention has been described by specific embodiments such as specific components and the like, but the embodiments and the drawings are provided to assist in a more general understanding of the present invention, the present invention is not limited to the above embodiments. For those skilled in the art, various modifications and variations can be made from such descriptions.

Therefore, the spirit of the present invention should not be limited to the embodiments described above, and all of the equivalents or equivalents of the claims, as well as the claims below, are included in the scope of the spirit of the present invention. I will say.

1 is a view showing a schematic configuration of an entire system for providing an improved messenger service according to the present invention.

2 is a diagram illustrating an internal configuration of a user terminal device according to an exemplary embodiment of the present invention in detail.

3 is a view illustrating in detail the internal configuration of the server according to an embodiment of the present invention.

4 is a diagram illustrating a chat window list 420 provided to a user.

5 is a diagram illustrating a relationship between users when a user may be provided with more conversation opportunities by using a contact list according to various embodiments of the present disclosure.

<Brief description of the major reference numerals>

100: Internet

200: user terminal device

300: server

Claims (13)

As a method of expanding the messenger contact list, Receiving an internet community identifier, Searching for an internet community corresponding to the received internet community identifier, and Expanding the contact list of the messenger by using the member information of the searched Internet community How to include. The method of claim 1, The internet community identifier is at least one of a URL of the internet community and a name of the internet community. The method of claim 1, And the member information of the retrieved internet community includes a member's email address. The method of claim 1, Expanding the contact list of the messenger by using the member information of the searched Internet community, Adding a group named with the name of the internet community to the contact list of the messenger, and Including member information of the searched Internet community in the added group How to include. A method of expanding a contact list of a messenger of a first user, the method comprising: Receiving contact information belonging to at least one group included in the contact list of the messenger of the second user, and Expanding the contact list of the messenger of the first user by using the received contact information; How to include. The method of claim 5, Expanding the contact list of the messenger of the first user by using the received contact information, Adding at least one group named with the name of the at least one group to a contact list of the messenger of the first user, and Including the received contact information in the at least one added group How to include. In a messenger, a method for providing information about a chat window to a first user, Providing the first user with information about a chat window in which the second user and the third user participate; Including, The identification information of the second user and the identification information of the third user are included in the contact list of the messenger of the first user; Characterized by the above. In a messenger, a method for providing information about a chat window to a first user, Providing the first user with information about a chat window in which the second user and the third user participate; Including, Identification information of the second user is included in the contact list of the messenger of the first user; Characterized by the above. In a messenger, a method for providing information about a chat window to a first user, Providing the first user with information about a chat window in which the second user and the third user participate; Including, Identification information of the second user and identification information of the third user are included together in a predetermined group of the contact list of the first user; Characterized by the above. The method according to any one of claims 7 to 9, The identification information of the user is an email address. In a messenger, a method for providing information about a chat window to a first user, Providing information to the first user about a chat window opened or intended to be opened by the second user; Including, The contact list of the first user and the contact list of the second user include a common Internet community identifier. Characterized by the above. The method of claim 11, The common internet community identifier is at least one of a URL of the corresponding internet community and a name of the corresponding internet community. A computer-readable recording medium for recording a computer program for executing the method according to any one of claims 1 to 9 and 11 to 12.

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