There's a big difference between ubiquity and relevance. There's no arguing Windows' ubiquity, however, I'd argue that Microsoft is resting on their laurels, a

There's a big difference between ubiquity and relevance. There's no arguing Windows' ubiquity, however, I'd argue that Microsoft is resting on their laurels, as far as Windows is concerned. Mobile is where things are going, and they were late to the game. It's not even making a dent, either.