Multi-user Management

• Communication/Coordination : they are like of real meeting.
• Awareness : we enhance the representation of the device, line of sight of other focus, and visual/sound feedback.
• Personal View : we based our system on unix access approach and personal scene graph.
• Protection : we use social and technical protocol.
• Assistance : we provide multimedia help and desktop metaphor (tooltip,button help).
• Monitoring : we can record a session, and after replay in post-analysis.