Mark Zuckerberg

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In this Nov. 19, 2016, file photo, Mark Zuckerberg, chairman and CEO of Facebook, speaks at the CEO summit during the annual Asia Pacific Economic Cooperation (APEC) forum in Lima, Peru. Zuckerberg unveiled his new artificial intelligence assistant named "Jarvis" in a Facebook post on Dec. 19, 2016. (AP Photo/Esteban Felix, File)

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Facebook CEO Mark Zuckerberg invited conservative pundits and analysts to a meeting at Facebook headquarters last month after an article in Gizmodo cited former staffers saying that they buried stories of interest to conservatives on the "trending topics" section. "It doesn't make sense for our mission or our business to suppress political content," Mr. Zuckerberg wrote on Facebook after the meeting. (Associated Press)

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Tim Constantine reports on how and when anti-ISIS strategy sessions started among US officials, Republicans' efforts to repeal Obamacare, and a big announcement from Mark Zuckerberg of Facebook.

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In this undated photo provided by Mark Zuckerberg, Max Chan Zuckerberg is held by her parents, Mark Zuckerberg and Priscilla Chan Zuckerberg. Facebook CEO Mark Zuckerberg and his wife announced the birth of their daughter, Max, as well as plans to donate most of their wealth to a new organization that will tackle a broad range of the world's ills. (Mark Zuckerberg via AP)

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Facebook CEO Mark Zuckerberg smiles during an announcement at Facebook headquarters in Palo Alto, Calif., in this July 6, 2011, file photo. (AP Photo/Paul Sakuma, File)

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Some say Facebook CEO Mark Zuckerberg deleting Chinese dissident Liao Yiwu's Facebook account is an attempt to curry favor with Chinese President Xi Jinping. (AP Photo/Ng Han Guan)

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President Obama is given a Facebook sweatshirt by founder Mark Zuckerberg at an event in Silicon Valley, Calif., April 21, 2011. (Associated Press)

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Facebook founder Mark Zuckerberg at Facebook headquarters in Palo Alto, California. The social media giant is being sued by a woman who says her ex-boyfriend posted "revenge porn" images of her to Facebook. (AP Photo/Paul Sakuma,File)

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FILE- In this July 9, 2011, file photo, Mark Zuckerberg, president and CEO of Facebook, walks to morning sessions with his then girlfriend Priscilla Chan during the 2011 Allen and Co. Sun Valley Conference, in Sun Valley, Idaho. Zuckerberg and his wife, Priscilla Chan, announced Thursday May 29, 2014 they are donating $120 million to the San Francisco Bay Area's public school system. Zuckerberg and Chan, a pediatrician, discussed the donation in an exclusive interview with the Associated Press. (AP Photo/Julie Jacobson)

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File - In this April 30, 2014 file photo, Facebook CEO Mark Zuckerberg gestures while delivering the keynote address at the f8 Facebook Developer Conference in San Francisco. Zuckerberg and his wife, Priscilla Chan, are donating $120 million over the next five years to the San Francisco Bay Area’s public school system. The gift is the biggest allocation to date of the more than $1 billion in Facebook stock the couple pledged last year to the nonprofit Silicon Valley Community Foundation. (AP Photo/Ben Margot, file)