"let me say that the paid side of the App Store is not where the real money is being made. While you can churn out paid apps and make a handsome living, it’s not where you want to be if you want to impact the highest number of people and it’s (paradoxically) not where you want to be if you want to build a big business."
— How to Evaluate a (paid) iPhone App Idea - Tony Wright’s Startup Front-End -
