iPhone OS Overtakes Windows Mobile Market Share in USA

It is done, According to the last records published by Coscore, The iPhone OS market share overtook Windows Mobile in USA in october, continuing on its growing curve, while Microsoft is experiencing plateau phase for its dedicated OS and related devices. This is especially worrying for Microsoft, as the new WM 7.0 is not expected before the end of 2010. Will Microsoft really keep playing a major role in the field?. RIM keeps leading the market, but it will be interesting to know how it will evolve as soon as Apple will release the iPhone to all carriers?