Something interesting about the iStockPhoto revenue is that it's almost entirely from content that's between 2 and 5 years old. It's hard to imagine a mobile ap

Something interesting about the iStockPhoto revenue is that it's almost entirely from content that's between 2 and 5 years old. It's hard to imagine a mobile app built today still generating significant revenue 5 years from now - without significant rework, porting, updating, etc.