Macworld has an interesting post about the C4 independent developers conference, and the apparent trend towards not developing for the iPhone. As the post points out, yes, the App Store has been incredibly popular (more than 2 billion served–watch out McDonald’s!), but the frustrations surrounding the platform are mounting.
Among the concerns cited are the tight grip Apple places on developers (which can be seen by looking at the restrictions Apple puts on how Apps and the App Store can be marketed, even down to the amount of white space surrounding the App Store “badge“) and the low return on investment in developing an App. It’s a good read, so check it out.