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 Is the iPad Era Already Drawing to a Close? Apple's Tablet Is Becoming the High-End Niche Within a Niche That Big-Screen Smartphones Are Cannibalizing By Simon Dumenco, Published on August 19, 2013 6 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.