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 E-Cigarette Brands Spend More on Advertising and Keep Careful Watch on Health Claims Marketers Face Limits When It Comes to Messaging, Have Tough Time Finding Shops to Work With Them By Alexandra Bruell, Published on January 02, 2012 9 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.