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 Google Revamps DoubleClick, Puts Own Name On It Two Years After Acquisition, Search Giant Puts Its Stamp on World's Largest Ad Server By Michael Learmonth, Published on February 22, 2010 2 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.