This would've been very useful as part of the animated tutorial on your first boot that you can't skip (and that I've seen 3 times this week thanks to setting up new machines).
That animated tutorial would be much better if it were interactive. I guess all that users take away after seeing it is “move the mouse into a corner and see what happens” – if they remember anything at all amidst the dozens “we're setting things up” screens (it's not that bad, I know).
Mmm, the animated tutorial is going to be aimed at the common denominator of users. I think MS is trying to hide things like "whether an app is running" from the average user. For example, I'm told apps will eventually close themselves if they aren't used.
