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 YouTube's Video Views Are Falling -- By Design Clicks Are Out, Engagement Is In as Video Service Goes Longer-Format to Conquer the Couch By Michael Learmonth, Published on May 14, 2012 5 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.