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 Search-Titan Google Makes Display Play With ROI Tool Campaign Insights Aims to Give Click King Bigger Share of $4.7B Business By Michael Learmonth, Published on October 19, 2009 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. Become a Member Already a member? Log in.