Birthday Ideas? Here's an Inkling   

My birthday's just around the corner and I think I know what I want: Wacom's new tablet-free "Inkling" digitiser.

The Inkling is a smart piece of kit that incorporates a special pen (no surprises there to anybody who has previously used Wacom's graphics tablets) and a receiver unit. The pen is an actual real-life pen with ink and everything, but you can use it to scribble straight onto your sketchbook without having to worry about scanning the artwork before you can fiddle with it on your PC.

I'll post a review as soon as I get one, but for now, here's Wacom's slightly-cringy marketing vid posted onto YouTube:

Any idea how this actually works? I hope that my common habit of spinning my pen round while thinking of where to draw the next line doesn't confuse the thing...