Social Media YouTube trends manager: 3 reasons videos go viral Why do some videos go viral and others (most, actually) don’t? A YouTube exec explains. By Michael SebastianMarch 9, 2012 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.