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 It's Curtains for Google! And Facebook! And Tumblr! And ... Should You Believe All the Apocalyptic Predictions About Today's Hot Tech Companies? Yeah, Maybe By Simon Dumenco, Published on May 14, 2012 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.