http://venturebeat.com/2015/05/05/mobile-video-advertising-up-5x-in-a-single-year-in-opera-mediaworks-state-of-the-ad-report/
http://venturebeat.com/2015/05/05/mobile-video-advertising-up-5x-in-a-single-year-in-opera-mediaworks-state-of-the-ad-report/