http://adage.com/article/digital/facebook-test-pre-roll-video-ads-ahead-watch-shows/311467/
Alexander Lau Banned Feb 11, 2015 2,492 764 First Name Alex Dec 1, 2017 #1 Dec 1, 2017 Add bookmark #1 http://adage.com/article/digital/facebook-test-pre-roll-video-ads-ahead-watch-shows/311467/
