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 Mobile Effort Gets More to Say 'I Can' Purchase a Porsche Phone Campaign Outperformed Carmarker's Wider Push to Convince Potential Buyers of Its Affordability By Rita Chang, Published on February 09, 2009 1 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.