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 Top 10 Fastest Growing Ad Spenders In 2012 From Samsung to T-Mobile Samsung Boosted Spending Nearly 58% As It Took On Apple By Bradley Johnson, Published on June 24, 2013 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.