Microsoft’s struggles with mobile are no secret. Worldwide smartphone marketshare for its Windows Mobile OS is estimated to be about 2 percent (Admob, May 2010), and MSFT just discontinued the Kin phone, weeks after launch. It would be easy to think of the company as a smartphone also-ran in a world dominated by Apple, RIM and Google.

That may change in 2010. Microsoft has very uncharacteristically scrapped its entire Windows Mobile operating system and is relaunching with Windows Phone 7. Get used to that term, because as we get toward launch in early Q4, you’ll be hearing it everywhere.

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