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 Doing It Wrong: 11 Boring Things GM Posted on Facebook Why Is GM Failing On Facebook? It's Obvious From the Content By B.L. Ochman, Published on May 18, 2012 61 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. Register Now Already a member? Log in.