The present invention provides an online interactive system for facilitating collaboration between a presenter and a plurality of participants comprising a presenter graphical user interface having a comment text box, a question text box, an answer text box, a whisper text box, and an audience text box....http://www.google.com/patents/US20020085030?utm_source=gb-gplus-sharePatent US20020085030 - Graphical user interface for an interactive collaboration system
