A system and method to allow a user of instant messaging chat modules in a network to share identity-based activity of the certain user and/or related information with contacts. For example, the user's instant messenger contacts may view recent active content, ongoing and recent online activity, etc.,...http://www.google.es/patents/US20050004985?utm_source=gb-gplus-sharePatente US20050004985 - Peer-to-peer identity-based activity sharing
