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 Marketers Demanding Ratings for Each TV Ad C3 System Not Enough Say Those Now Looking Brand-Specific Figures By Brian Steinberg, Published on February 23, 2009 2 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.