To my knowledge, each one of the products in this list is a completely different beast despite naming similarities.
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As an aside, when I was at MSFT in Building 40 in 2013 we had a Surface table in the lobby; it never worked as well as the demo videos made it look: the table-top wasn’t glass but had a rough rubberised protector layer on-top that ruined it, the built-in WPF-based demo apps that we played with were all somewhat janky: you’d get 12-15fps not 60fps, touch drag latency was also abysmal, and most of the demo apps’ rendered scenes didn’t use global lighting, so pinch-rotating two objects in different directions would just look bad.
(Pre-teamroom) campus building lobbies were where once-cool hardware goes to die; another building at the other end of campus (where the Direct3D people were) had a widescreen rear-projection TV running Windows Media Center 2005 until well into 2015 IIRC.
Not to pick too much on Microsoft, Sun had previously done the same thing with Java, sticking Java stickers on anything and everything they could get away with. Arguably, it worked: Java was the buzz of the industry in the late nineties and table stakes for greenfield enterprise development in the early 2000s -- unless you were using .NET.