Evan Davis meets 'appreneurs' trying to make money in a marketplace where traditonal business rules do not apply. Becoming an appreneur is easy. All you need is a computer and a couple of hundred pounds. And an idea of course. No surprise perhaps that thousands of new apps are created every week to serve the ever growing smart phone and tablet computer market. But what happens next? How do you make a living if your product is free? And if you sell your app, how high can you go when buyers expect a lot for very little? And how do you market to customers without knowing who they are? Show less