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 Much Do These Social Media Upfront Deals Help Agencies? Often the Upside for Shops in These Deals Can Be Hard to See By Cotton Delo and Tim Peterson, Published on April 28, 2014 1 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.