VidCon: Where Vloggers and Viners Vie for Fame

Yahoo Global News Anchor Katie Couric introduces viewers to VidCon, a convention for the unconventional world of vlogs and Vines. Launched in 2010 by Vlogbrothers John and Hank Green, this year, an estimated 20,000 attended the event, held on multiple levels of a massive conference center in Anaheim, California.