And then there was Mark Zuckerberg , the 22-year-old chief executive of the social networking site Facebook , wearing Adidas flip-flops with a blazer and jeans .
Mark Zuckerberg /business/person/company Facebook
Facebook /business/company/founders Mark Zuckerberg
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Mark Zuckerberg
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Facebook
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/business/person/company
Facebook
ORGANIZATION
Mark Zuckerberg
PERSON
/business/company/founders