Methods and computer readable mediums are described that facilitate inviting user entities on a network. The method may include initiating a first application for sending an invitation by a first user entity on a first endpoint, selecting a second user entity to receive the invitation, and selecting...http://www.google.com/patents/US8036140?utm_source=gb-gplus-sharePatent US8036140 - Application programming interface for inviting participants in a serverless peer to peer network
