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A sign welcoming Facebook is flashed on a screen outside the NASDAQ stock exchange at Times Square in New York.
A sign welcoming Facebook is flashed on a screen outside the NASDAQ stock exchange at Times Square in New York.

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    Facebook's history remains unwritten

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Facebook's history remains unwritten

Is Facebook a big waste of time or a revelation? CNN's John Vause talks to tech entrepreneur and author Steve Blank.

Facebook's history remains unwritten

Is Facebook a big waste of time or a revelation? CNN's John Vause talks to tech entrepreneur and author Steve Blank.