YouTube Moves to Vertical Video and TanaCon Experiences Growing Pains Anaheim, California is the home for VidCon, a annual video conference held primarily for YouTubers to network and share new content. Earlier this year, Viacom bought VidCon to help expand their digital presence. In addition to the waves at YouTube with demonetization, another similar conference independently setup shop in Anaheim. This year TanaCon, a rival event that was scheduled to host 5,000 people, was also being held in the same area of Anaheim, and experienced an overwhelming amount of people trying to rush the gate. It had to be shutdown,