We dedicate this book to the people who had the vision to persist beyond the earliest prototypes of videoconferencing systems. We honor those lone individuals who excitedly sat in darkened sound-proofed booths squinting at blue light and photoelectric cells to claim success when they could barely make out a dim and fuzzy image of another human being they were talking to. We also cheer those individuals who kept a clear vision of what videoconferencing could be even while they laid lines sometimes consisting of more than twenty linked regular telephone lines to transmit almost stationary ...
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