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 Media Mavens: Eric Hadley, Bing The Face of Microsoft's Search Engine Is Not Just a Party Boy; He's Out Growing Share and Relevance By Jason Del Rey, Published on October 17, 2011 0 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.