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 IPhone App That Saved Life in Haiti Reaps Rewards Developers Can't Always Count on That Type of Buzz, but Consumers Are Willing to Pay for Trusted Applications By Rupal Parekh, Published on February 01, 2010 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. Become a Member Already a member? Log in.