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 The Real Impact of Do Not Track It Will Consolidate Dominance of Microsoft, Yahoo, Facebook, Google, Amazon and eBay. By Scott Meyer, Published on October 17, 2012 10 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.