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 Federal Trade Commission Proposes 'Do Not Track' for Internet Advertising Chairman Liebowitz Says Self-Regulation Efforts Well-Intentioned, but Not Enough By Edmund Lee, Published on December 01, 2010 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. Register Now Already a member? Log in.