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 How to Be a Better Agency Client Prominent Marketers Share How They've Improved Relationships and What They Resolve to Do Even Better in 2012 , Published on January 09, 2012 6 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.