By John Markoff The New York Times
SAN FRANCISCO Google, the Internet search innovator, was expected to make its first direct challenge to the broader communications industry on Wednesday with the introduction of an instant messaging and voice communication service for personal computers.
The program, Google Talk, will allow its users to exchange text messages and converse through their computers with others at remote locations. Other instant messaging services offer similar capabilities, but Google said the appeal of its system would come from its voice quality, based on audio technology it has developed.
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