Abstract: Method, device and system for receiving, sending and updating interactive information on the Internet are disclosed. A method includes: after detecting a predetermined type of a user's operation, a user device prompts the user to input a contact address of a recipient of the interactive information; the user device then sends, to the contact address of the recipient, electronic information including content of the interactive information and a URL address with a passcode of the recipient. Another method includes: a user device receives and displays electronic information sent to a contact address of a user, the electronic information includes content of the interactive information and a URL address with a passcode of the user; and after detecting a click on the URL address, the user device sends a response from the contact address of the user to a server, content of the response includes the passcode of the user.

Abstract: An apparatus for associating a user and a friend in a network community. The apparatus extracts a property element from user personal information and searches for resources related to the property element in a network community. The apparatus also determines a friend to be recommended according to the resources, and associates the friend with the user.