| 摘要 |
PROBLEM TO BE SOLVED: To provide chat service technology, capable of safely aiding exchange of contact addresses of users who mutually feel an affinity through conversation, without having to disclose personal information by surely excluding impersonation pretending to be someone else or the like by a third person. SOLUTION: A service main body 7 displays a chat screen, edited so that the message spoken by each user can be read on the browser software of each user, the chat screen has an information presentation approving user interface (participant list display part 58c) which is to be operated, when approving the presentation of information for specifying the user himself to an arbitrary party, whether the exchange of information between both members has been formed is judged on the basis of the operation information of the user interface, and when the exchange has been formed, both the members are charged. |
