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 What's Plaguing Viral Marketing Sorry, Malcolm, but the Tipping Point Might Be More Myth Than Math By Matthew Creamer, Published on July 16, 2007 15 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.