<a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Mark+Zuckerberg&family=editorial&specificpeople=4841191 ng-click='$event.stopPropagation()'>Mark Zuckerberg</a>, chief executive officer and founder of Facebook Inc., speaks during an event at the company's headquarters in Menlo Park, California, U.S., on Thursday, March 7, 2013. Zuckerberg discussed the social-network site's upgraded News Feed which includes bigger photos, information sorted into topics and a more consistent design across devices. Photographer: David Paul Morris/Bloomberg via Getty Images
{"Image ImageDescription": "Mark Zuckerberg, chief executive officer and founder of Facebook Inc., speaks during an event at the company's headquarters in Menlo Park, California, U.S., on Thursday, March 7, 2013. Zuckerberg discussed the social-network  site's upgraded News Feed which includes bigger photos, information sorted into topics and a more consistent design across devices. Photographer: David Paul Morris/Bloomberg via Getty Images", "Image Copyright": "2013 Bloomberg"}