Social Media Infographic: Funny videos 3 times more likely to increase Facebook traffic Want people to share your video? Make them 15 seconds or less and don’t include a celebrity. By Kristin Long@KristinMLongNov. 28, 2011 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.