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 Mobile App Will Let Brand Fans Track In-Store Marketing Zyman-Backed GoSpotCheck Aims to Root Out Retail Non-Compliance in Time to Fix It By Jack Neff, Published on November 15, 2012 1 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.