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 In PR Category, PR Shops Come up Short While Ad Agencies Stand Tall Creative Agencies Prevail in Best Use of Social Media and Best PR-Driven Campaigns By Alexandra Bruell, Published on June 27, 2011 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.