Yes, beyond the NFC disc they are essentially the same thing: A Miracast receiver.
I don't see Glance on the review unit. (I do have it on the 830.)
This is a review unit,and a global model, so it's HSPA only on AT&T. If this works out as expected, I'll buy the AT&T version.
So far, no, as it's a bit ponderous. But anyone who purchased the Kindle version of the book can get the updates for free (in MOBI, etc.) from the web site.
No, that won't work.
It's sway.com not sways.com
Use "www" (as in https://sway.com/) and it will work.
I searched the official Windows channel on YouTube for Windows 7 and the second result was this:...
That would be part of Cortana, presumably. :)
Since you could already pin the Recycle Bin to the Start screen, this isn't new, actually. And you still can't pin to the taskbar, unless I'm missing something.