The year is drawing to a close, so there’s a very good chance that you now find yourself staring straight down the gaping maw of Windows 8. Maybe someone gave you a new Windows tablet or PC as a gift.

It’s no secret that more and more people are opting for touch-based smartphones and tablets as their computers of choice: iPads, iPhones, Androids, now BlackBerrys, and soon Windows 8 PCs and tablets.

When it launches, Windows 8 will enable a whole new world of multitouch gestures for touchpads, but what if you want to perform those gestures without touching the screen, touching your touchpad or ...