Collecting and distributing information related to recent content publication activity of an instant messaging (IM) user provides other users in a network with timely, relevant information about people known to the user or within the same social network. A user participating in a social network can quickly...http://www.google.com/patents/US20070174389?utm_source=gb-gplus-sharePatent US20070174389 - Indicating Recent Content Publication Activity By A User
