Collaborating with co-workers in the same office is painful enough, but it's nigh impossible over a network.

For a couple of decades, researchers have tried to blend shared workspaces -- systems that allow two or more people to work on the same document -- with Internet video-conferencing systems, with little success.
Today's the Day. Now researchers at the University of North Carolina at Chapel Hill have designed a new system that cleverly blends a video-conference feed with a transparent image of a computer desktop into one full-screen window.
Source
http://www.wired.com/news/technology...w=wn_3techhead