100% Browser-based - No downloads or installs Shared viewing of: DOCs, PPTs, XLSs, JPGs, PDFs and more Real-time Desktop Sharing and Screen Capturing Tools to Whiteboard, Draw and Annotate Built-in Text-chat and Teleconferencing
H. Halpin, V. Robu, and H. Shepherd. WWW '07: Proceedings of the 16th international conference on World Wide Web, page 211--220. New York, NY, USA, ACM Press, (2007)