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 How Facebook Mastered Mobile Ads (and Publishers Can Too) By Blurring the Lines Between Desktop and Mobile, Facebook Boosted Revenue By Cotton Delo, Published on July 26, 2013 3 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.