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 Ad Buyers Ask Magazines to Reveal More About Their Tablet Editions Letter From 4A's Print Media Committee Seeks Details on Ad Engagement and More By Nat Ives, Published on May 03, 2012 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. Register Now Already a member? Log in.