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 Vote: Who Pulled Off the Most Awesome Viral Stunt of the Year? Volvo Trucks, Pepsi Max, Amazon, Adobe and WestJet Compete For Honors , Published on March 12, 2014 4 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.