Abstract: A method including: receiving, from a first terminal, a request for establishing a chat group without receiving an identifier of an existing social network contact; monitoring incoming requests for additional users to join the first chat group; while monitoring, detecting a request from a second terminal to obtain information of other terminals located around the second terminal; in accordance with the request from the second terminal and in accordance with a determination that the second terminal and the first terminal are located within a preset distance, requesting authentication information corresponding to the first chat group; receiving the authentication information from the second terminal, wherein the authentication information is obtained by the second user independently of the server of the social network platform; and in accordance with a determination that the authentication information is correct, establishing the first chat group including the first user and the second user.

Abstract: A method including: receiving, from a first terminal, a request for establishing a chat group without receiving an identifier of an existing social network contact; monitoring incoming requests for additional users to join the first chat group; while monitoring, detecting a request from a second terminal to obtain information of other terminals located around the second terminal; in accordance with the request from the second terminal and in accordance with a determination that the second terminal and the first terminal are located within a preset distance, requesting authentication information corresponding to the first chat group; receiving the authentication information from the second terminal, wherein the authentication information is obtained by the second user independently of the server of the social network platform; and in accordance with a determination that the authentication information is correct, establishing the first chat group including the first user and the second user.

Abstract: The present invention provides a method and apparatus for establishing a chat group. The method performed by a server includes: obtaining an identifier of a user of a first client terminal, an identifier of a chat group to be established and a geographic position of the first terminal; beginning to establish a chat group; selecting at least one second client terminal from a predetermined geographic scope; and inviting a user of the at least one second client terminal to the chat group; receiving authentication information input by the user of the second client terminal from the second client terminal; determining whether the authentication information is correct; if the authentication information is correct, adding the user of the second client terminal into the chat group; and sending information of the second user to the first client terminal; finishing establishing the chat group when a preset finish condition is met.

Abstract: The present invention provides a method and apparatus for establishing a chat group. The method performed by a server includes: obtaining an identifier of a user of a first client terminal, an identifier of a chat group to be established and a geographic position of the first terminal; beginning to establish a chat group; selecting at least one second client terminal from a predetermined geographic scope; and inviting a user of the at least one second client terminal to the chat group; receiving authentication information input by the user of the second client terminal from the second client terminal; determining whether the authentication information is correct; if the authentication information is correct, adding the user of the second client terminal into the chat group; and sending information of the second user to the first client terminal; finishing establishing the chat group when a preset finish condition is met.