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 Taco Bell Learns the Hard Way How Much 50 Cent Is Worth Fast Food Chain Incenses Rapper With Offer to Change His Name, Rap Order for Charity By Charlie Moran, Published on June 19, 2008 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.