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 Jann Wenner: Magazines' Rush to iPad Is 'Sheer Insanity and Insecurity and Fear' Successful Migration to Tablet Editions Will Take 'Decades,' Rolling Stone Co-Founder Says By Nat Ives, Published on May 30, 2011 9 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.