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 Pepsi Goes Huge With Piece of Digital Business Opts for Interpublic Digital Agency Over Traditional Omnicom Partners By Kunur Patel, Published on October 09, 2009 9 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.