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 McDonald's Franchisees Try Out In-Store Music, Video System Over Burger and Fries, Customers Can Interact With Programming Via Cellphone or WiFi By Kate Macarthur, Published on September 26, 2006 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.