A method of selectively sharing a discussion thread with a user can include identifying at least one user specified by an access control structure associated with a discussion thread in a forum and determining that the at least one user is not a member of the forum. The method further can include publishing...http://www.google.com.tw/patents/US20060271625?utm_source=gb-gplus-share專利 US20060271625 - Selective monitoring and publishing of discussion threads with membership linking