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CAMBRIDGE, MA - MAY 25: Actor James Earl Jones received an Honorary Doctor of Arts Degree and Facebook Founder and CEO Mark Zuckerberg received an Honorary Doctor of Laws Degree from Harvard University at its 2017 366th Commencement Exercises on May 25, 2017 in Cambridge, Massachusetts. Zuckerberg studied computer science at Harvard before leaving to move Facebook to Paolo Alto, CA and returned to the campus this week to his former dorm room to livestream his visit. (Photo by Paul Marotta/Getty Images)

CAMBRIDGE, MA - MAY 25:  Actor James Earl Jones received an Honorary Doctor of Arts Degree and  Facebook Founder and CEO Mark Zuckerberg received an Honorary Doctor of Laws Degree from Harvard University at its 2017 366th Commencement Exercises on May 25, 2017 in Cambridge, Massachusetts.  Zuckerberg studied computer science at Harvard before leaving to move Facebook to Paolo Alto, CA and returned to the campus this week to his former dorm room to livestream his visit.  (Photo by Paul Marotta/Getty Images)

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CAMBRIDGE, MA - MAY 25: Facebook Founder and CEO Mark Zuckerberg delivers the commencement address at the Alumni Exercises at Harvard's 366th commencement exercises on May 25, 2017 in Cambridge, Massachusetts. Zuckerberg studied computer science at Harvard before leaving to move Facebook to Paolo Alto, CA. He returned to the campus this week to his former dorm room and live streamed his visit. (Photo by Paul Marotta/Getty Images)

CAMBRIDGE, MA - MAY 25:  Facebook Founder and CEO Mark Zuckerberg delivers the commencement address at the Alumni Exercises at Harvard's 366th commencement exercises on May 25, 2017 in Cambridge, Massachusetts. Zuckerberg studied computer science at Harvard before leaving to move Facebook to Paolo Alto, CA. He returned to the campus this week to his former dorm room and live streamed his visit.  (Photo by Paul Marotta/Getty Images)

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CAMBRIDGE, MA - MAY 25: Facebook Founder and CEO Mark Zuckerberg received an Honorary Doctor of Laws Degree from Harvard University at its 2017 366th Commencement Exercises on May 25, 2017 in Cambridge, Massachusetts. Zuckerberg studied computer science at Harvard before leaving to move Facebook to Paolo Alto, CA and returned to the campus this week to his former dorm room to livestream his visit. (Photo by Paul Marotta/Getty Images)

CAMBRIDGE, MA - MAY 25:  Facebook Founder and CEO Mark Zuckerberg received an Honorary Doctor of Laws Degree from Harvard University at its 2017 366th Commencement Exercises on May 25, 2017 in Cambridge, Massachusetts.  Zuckerberg studied computer science at Harvard before leaving to move Facebook to Paolo Alto, CA and returned to the campus this week to his former dorm room to livestream his visit.  (Photo by Paul Marotta/Getty Images)

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CAMBRIDGE, MA - MAY 25: Actor James Earl Jones received an Honorary Doctor of Arts Degree and Facebook Founder and CEO Mark Zuckerberg received an Honorary Doctor of Laws Degree from Harvard University at its 2017 366th Commencement Exercises on May 25, 2017 in Cambridge, Massachusetts. Zuckerberg studied computer science at Harvard before leaving to move Facebook to Paolo Alto, CA and returned to the campus this week to his former dorm room to livestream his visit. (Photo by Paul Marotta/Getty Images)

CAMBRIDGE, MA - MAY 25:  Actor James Earl Jones received an Honorary Doctor of Arts Degree and  Facebook Founder and CEO Mark Zuckerberg received an Honorary Doctor of Laws Degree from Harvard University at its 2017 366th Commencement Exercises on May 25, 2017 in Cambridge, Massachusetts.  Zuckerberg studied computer science at Harvard before leaving to move Facebook to Paolo Alto, CA and returned to the campus this week to his former dorm room to livestream his visit.  (Photo by Paul Marotta/Getty Images)

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Mark Zuckerberg, chief executive officer and founder of Facebook Inc., holds his phone after the morning session at the Allen & Co. Media and Technology Conference in Sun Valley, Idaho, U.S., on Friday, July 13, 2018. The 35th annual Allen & Co. conference gathers many of America's wealthiest and most powerful people in media, technology, and sports. Photographer: David Paul Morris/Bloomberg via Getty Images

Mark Zuckerberg, chief executive officer and founder of Facebook Inc., holds his phone after the morning session at the Allen & Co. Media and Technology Conference in Sun Valley, Idaho, U.S., on Friday, July 13, 2018. The 35th annual Allen & Co. conference gathers many of America's wealthiest and most powerful people in media, technology, and sports. Photographer: David Paul Morris/Bloomberg via Getty Images