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 Age Digital List: HBO Go With a Vast Content Library and an Intuitive Interface, Service May Be the Best Example of a Sans-Cable Future By Abbey Klaassen, Published on February 27, 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.