Why app bar previews?
Why there're app bar previews in 8.1? We don't need them. They take precious horizontal rows on a 16:9 display without any good at all! I know that the app bar is there, better yet, noone would need any clues after a month of using the OS, save for the people with fish-like memory span, but then it could be an accessibility feature.
So why do they waste screen on those?
I guess they're making Windows more like WP so that they don't differ in the details, but they could've easily dumped app bar previews!
To be clear, I'm talking about these things: