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 Facebook Deal to Buy Microsoft's Atlas Coming As Soon As Next Week Social Network Is Building An Ad Stack to Rival Google By Jason Del Rey, Published on February 07, 2013 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.