"Innovation" != "Different Idea".
I'm sure some people like Ribbon or Metro, but I haven't met any; I've been looking for WP7 "in the wild", and over the last 6 months found exactly one.
Intel innovated with the Itanium - but that wasn't useful innovation.
> where does that put Kinect?
In the PrimeSense / 3DV innovation camp. Yes, MS did bring it to the masses. But they didn't get the thing working themselves - they licensed from one innovator, and bought (and closed down) the other, shutting everyone else out of that market for a while.
Personally, I think Metro and Ribbon are both from the same design school: They look beautiful when you look at someone else using them, but they actually get in the way when you're trying to get things done. I've spent an hour playing with a Metro based WP7 to see what it's about; I feel that their "throw all other tiles, then replace the one you pressed" wastes time. I know what I pressed - let me get there.