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 Platform Wars: Amazon, Google, Windows 8 Dominate Advertising Week Differentiating The Crush of Tech Giants That Vied for Center Stage During Annual Confab By Michael Learmonth, Published on October 08, 2012 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.