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 There's No Debate: Third-Party Data Make Marketing Better This Information Has Always Been Critical to Finding the Right Customers By Mark Zagorski, Published on January 28, 2014 5 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. Register Now Already a member? Log in.