A system provides for controlled collaboration among a plurality of users. The method as illustrated is comprised of a plurality of computing appliances, each having a display apparatus and an input apparatus. A presentation is displayed on at least two of the display apparatus. User data is provided having an associated presentation responsive to user input via the input apparatus by a user associated with the computing appliances. User data is stored in a non-transient memory as associatively mapped to the computing appliance providing the user input. A collaborative presentation is generated comprised of the display presentation and the associated presentations for a least some of the input data in the memory that is associatively mapped to at least two of the computing appliances. The collaborative presentation is displayed on the display apparatus of at least one of the computing appliances.