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Late last month, American authors and publishers reached an agreement with Google to settle lawsuits over Google’s Book Search program, which scans millions of books and makes their contents available on the Internet. The deal lets Google sell electronic versions of copyrighted works that have gone out of print.

“The book business model is under siege, just as the music industry earlier came under siege,”

The TELEPORT environment is designed to overcome disadvantages of desktop videoconferencing and to establish life-like conference sessions that bring people together as if face-to-face. The system consists of a real room with one wall entirely covered b a display surface. Onto that surface a virtual extension of the real room is projected. As the local participant moves, his location is tracked ­ thus allowing the synthetic scene to be rendered with the correct perspective.