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 Walgreens Tests Google's Augmented Reality for Loyalty App Loyalty-App Partner Aisle411 Is Using Google's 3-D Tango in Four Walgreens Stores By Kate Kaye, Published on July 01, 2014 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.