Yes, good point. Once the photo sharing app market dries up, people will have to look into other areas. I know that in the next ten years we will have startups

Yes, good point. Once the photo sharing app market dries up, people will have to look into other areas. I know that in the next ten years we will have startups (even 1-2 person teams) building much more than simple web apps. Innovation will slowly seep to other areas. (And thus, Jeff, that is why people need to learn how to program)