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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 girlfriend Priscilla Chan during the 2011 Allen and Co. Sun Valley Conference, in Sun Valley, Idaho. On Saturday, May, 19, 2012, Zuckerberg and Chan tied the knot at a small ceremony at his Palo Alto, Calif., home, capping a busy week for the couple (AP Photo/Julie Jacobson)

FILE- In this July 9, 2011, file photo, Mark Zuckerberg, president and CEO of Facebook, walks to morning sessions with his girlfriend Priscilla Chan during the 2011 Allen and Co. Sun Valley Conference, in Sun Valley, Idaho. On Saturday, May, 19, 2012, Zuckerberg and Chan tied the knot at a small ceremony at his Palo Alto, Calif., home, capping a busy week for the couple (AP Photo/Julie Jacobson)

Facebook's Mark Zuckerberg marries sweetheart

Facebook founder and CEO Mark Zuckerberg updated his status to "married" on Saturday, May 19, 2012.