Android Vs. iPhone, Lessons From Windows Vs. Mac: "Windows ran on various hardware from multiple vendors, but Mac only ran on Macs. The situation is still the same today, but let's stick with that time. That gave Microsoft�(News - Alert) a huge business advantage and enviable profit margins. Apparently Google has decided that the Microsoft model is a viable one and that's why it terminated Nexus One and put all its effort into the Android platform."