Participation profiles of virtual world players
Persistent spatial collaboration
Pointing-control system for multipoint conferences
Portable electronic device updated via broadcast channel
Presence and geographic location notification based on a...
Presence-based location and/or proximity awareness
Presenting and filtering objects in a virtual world
Preventing execution of programs that are embedded in email...
Providing feedback to an e-meeting presenter
Providing smart user interfaces based on document open...
Providing supplemental contact information corresponding to...