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 Social-Media Smackdown: The Disloyal Polar Bears vs. Disloyal Santa in Pepsi's New Anti-Coke Spots Bluefin Labs Data Shows Consumer Reaction to Pepsi's 'Summer Time is Pepsi Time' Commercials By Simon Dumenco, Published on August 03, 2011 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.