Social Media Is Viddy a smart choice for brands? The video-sharing platform, which launched in spring 2011, has some big-name celebrity fans. Brands are getting something out of it, too. By Matt WilsonAug. 23, 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.