iPhone’s announcement to allow software developers outside of Apple to develop application for iPhone will hurt Google’s Android. But I think the damage is limited, simply because Android is more open, it allow any company to make phones base on it, anyone to modify the operating system and anyone to write for it. People all over the global will be able to create customized version of Android for different users, this is an advantage the Apple’s limited niche appeal do not have. Which will in turn generate a broader users base and more developers. Apple will properly continue to hold the premium niche if Steven Jobs stay around.