Collaboration system

摘要

A system for collaboration among multiple users is provided. The system includes a public system, a plurality of private systems and a cooperation system. The cooperation system allows users of private systems to individually control the public system. A further aspect of the invention allows a user to ghost the public system. A further aspect of the invention allows users of the collaboration system to create collaboration sessions and super sessions. The invention further allows a user controlling the public system to blacken private displays of the private systems.