You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract Join Visa, Intel, Rovio, Twitter and Anheuser Busch at Ad Age Digital in San Francisco October 15 at the Ritz Carlton By David Teicher, Published on September 26, 2013 0 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Become a Member Already a member? Log in.