Windows 8 is coming and it features more and better Xbox integration than we've yet seen in an operating system from the company -- but it looks like Microsoft has something even bigger up its sleeve. We've just seen a presentation indicating the company will launch something called Smart Glass next week, a so-called "companion application" that will act much like AirPlay for the Xbox 360. Using the app, users will be able to play video and other media on tablets and phones and, more interestingly, push that content right to t
