An information management system, method and computer program code and means for facilitating communications between user members of an online network is provided which includes receipt, from a first user of an online network, of an identification of a second user of the online network. An indication...http://www.google.com.hk/patents/US20020169782?utm_source=gb-gplus-share專利 US20020169782 - Distributed personal relationship information management system and methods
