Windows 8 Embedded Industry is an almost unsung part of Microsoft's roadmap: it's a tightly managed release meant for factories and retailers who care most about reliable machines. If you've ever want to peek behind the curtain, though, you have a chance now that Microsoft has posted a Release Preview version of the OS for the public to try. We wouldn't recommend tossing regular Windows 8 aside if it's already installed; still, there's a handful of tricks within the Embedded Industry code that could make it palpable for curi