Tom Wheeler, the head of the U.S. Federal Communications Commission, gestures as he delivers a keynote speech during the Mobile World Congress in Barcelona March 3, 2015. Ninety thousand executives, marketers and reporters gather in Barcelona this week for the telecom operators Mobile World Congress, the largest annual trade show for the global wireless industry. REUTERS/Albert Gea (SPAIN - Tags: BUSINESS SCIENCE TECHNOLOGY BUSINESS TELECOMS)