Nearly 80 years after the first American television station went on the air--W3XK broadcasting from Virginia in 1928 -- video once again appears to be "the next big thing." Witness, please, the three major developments on that front that occurred last month alone: the debut of eSN TechWatch (see Front Page), the purchase of YouTube by Google for a reported $1.65 billion, and the unveiling of a "telepresence" system by Cisco Systems.

Important as the moves by eSchool Newsand Google surely are, the development with the greatest likelihood of long-term impact might be...

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