Visitation by a first on-line user to an information page of an information site is facilitated. Dynamic formation of a chat session for the first on-line user and a second on-liner user to chat with each other is also facilitated. The chat session, through which the first and second on-line users chat...http://www.google.de/patents/US6434599?utm_source=gb-gplus-sharePatent US6434599 - Method and apparatus for on-line chatting
