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 Levi's Review Asks Shops to Reveal Sensitive Price Data for Other Clients If Agencies Complied With Controversial Demand, Could Be Breach of Confidentiality By Michael Bush, Published on November 10, 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.