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 Display's New Kingpin: Facebook's No. 1 Social Network's $2.19 Billion Puts It at Top of the Digital Heap, Leaping Google, Yahoo -- but It's Still a Bit Player When Compared to TV By Edmund Lee, Published on June 20, 2011 4 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.