A telepresence server is for connection to a telecommunications network for providing access to a reality engine for a plurality of passive users. The reality engine can be controlled by an active user or a professional director through the network or by a local professional director. Active/passive...http://www.google.com/patents/US7587747?utm_source=gb-gplus-sharePatent US7587747 - Telepresence method and apparatus for simultaneous use by multiple active/passive users
