Sure, Nokia's already proven that it's possible to commercially support multiple mobile platforms at a time, but is it really a great idea? Even Nokia ultimately ended up collapsing Series 80 and 90 in to S60 over the years, but Microsoft's going in a distinctly different direction by rolling out Kin and Windows Phone 7 at nearly the same time (plus the spectre of WinMo 6.x, which'll undoubtedly soldier on in some niche markets for years to come). While both products share common underpinnings, they're different enough so that there's really no user-facing commonality beyond some shared compatibility with services like Zune and Windows Live, and frankly, we don't get it -- why not start from a
