| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide information in consideration of user's privacy by effectively setting whether or not positions on a map are disclosed. <P>SOLUTION: When there are a first user who makes a request to output map information showing positions of respective users and a second user who is a friend of the first user, it is determined whether there is a third user who is a friend of both the first and the second users; when it is determined that there is the third user, map information showing the positions of the first, the second, and the third user is output to a terminal device of the first user. <P>COPYRIGHT: (C)2007,JPO&INPIT |
