It's astounding that until this moment, three years after the iPhone, the biggest software company in the world basically didn't compete in mobile. Windows Phone 7 Series is more than the Microsoft smartphone we've been waiting for. Everything's different now.
Today, at Mobile World Congress in Barcelona, Microsoft is publicly previewing Windows Phone 7 for the first time. The brand new, totally fresh operating system will appear in phones this year, but not until the holidays. All of the major wireless carriers and every likely hardware maker are backing it, and they'd be stupid not to. It's awesome. We've got a serious hands on for you to check out, but here is everything that you need to know: