Bertil Hatt
General Motors Pulls $10 Million Campaign From Facebook Because Its Ads Don't Work - Business Insider - http://www.businessinsider.com/why-gen...
Why Did General Motors Pull a $10 Million Ad Campaign From Facebook? http://t.co/KuTiKlJI – James Ketchell (jamesketchell) http://twitter.com/jameske... - Bertil Hatt