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 Google: Those TV Spots Better Be Good In Planned System, You'll Pay More for the Same Slot if Your Ad Doesn't Perform By Abbey Klaassen, Published on May 05, 2008 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.