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 Microsoft's Plans to Become Online Ad Giant Still on Track With or Without Yahoo, Work Continues on Sales Platform By Abbey Klaassen, Published on May 19, 2008 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. Become a Member Already a member? Log in.