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 Bye, Bye Cookie: Microsoft Plots Its Own Tracking Technology to Span Desktop, Mobile, Xbox Redmond Joins Google, Apple, Amazon and Others In Plotting the Cookie's Demise By Tim Peterson, Published on October 09, 2013 6 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.