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 How Brands Are Getting Lost on Facebook Did the Social Network's Algorithm Turn Your 'Sponsored Story' Into Spam? By Brad McCormick, Published on February 22, 2011 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.