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 Facebook Hits Billionth User, Reveals First Major Ad From Global Agency of Record Spot Will Be Promoted With Facebook Media in 13 Countries By Cotton Delo, Published on October 04, 2012 11 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.