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A woman watches Facebook founder and CEO Mark Zuckerberg speaking in a promotional video
Mladen Antonov
A woman watches Facebook founder and CEO Mark Zuckerberg speaking in a promotional video in Washington on May 8, 2012 ahead of the company's share flotation. Zuckerberg will ring the opening bell Friday as the social network he founded eight years ago in his Harvard dorm room makes its long-awaited Wall Street debut.