Mark Zuckerberg, chief executive officer and founder of Facebook Inc., reacts during a session at the Techonomy 2016 conference in Half Moon Bay, California, U.S., on Thursday, Nov. 10, 2016. The annual conference, which brings together leaders in the technology industry, focuses on the centrality of technology to business and social progress and the urgency of embracing the rapid pace of change brought by technology. Photographer: David Paul Morris/Bloomberg via Getty Images
