I received notification of an update on my Nokia Lumia Windows Phone yesterday so I pressed the button and commenced the upgrade.
Start by downloading the Nokia Beamer App from the Windows Store. Then visit:
where you’ll see a QR code like so:
Capture that with the Nokia Beamer App on your phone and then you will see the screen of you Windows Phone in your browser like so:
That’s really cool I reckon and for me really handy as it make doing demos of the Windows much, much easier.