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Facebook CEO Mark Zuckerberg speaks at the F8 summit in San Francisco, California, on March 25, 2015. Zuckerberg introduced a new messenger platform at the event.   AFP PHOTO/JOSH EDELSON        (Photo credit should read Josh Edelson/AFP/Getty Images)
Facebook CEO Mark Zuckerberg speaks at the F8 summit in San Francisco, California, on March 25, 2015. Zuckerberg introduced a new messenger platform at the event.   AFP PHOTO/JOSH EDELSON        (Photo credit should read Josh Edelson/AFP/Getty Images)

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    Zuckerberg's parents 'most proud' of Harvard

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Zuckerberg's parents 'most proud' of Harvard

While delivering Harvard's commencement address, Facebook founder Mark Zuckerberg jokes that his parents see his Harvard acceptance as "the thing they're most proud of".

Zuckerberg's parents 'most proud' of Harvard

While delivering Harvard's commencement address, Facebook founder Mark Zuckerberg jokes that his parents see his Harvard acceptance as "the thing they're most proud of".