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 Is That a Discount Coupon on Your Wrist? As Tech Titans Race to Sell Wearable Products, Adland Ponders the Potential By Mark Bergen and Shareen Pathak, Published on April 01, 2014 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.