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 Oprah Magazine's iPad Edition Will Sell and Display E-Books Hearst Magazines Readies App Editions from Esquire to Cosmo, Plus Fun and Utility Apps Not Tied to Issues By Nat Ives, Published on July 14, 2010 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. Register Now Already a member? Log in.