N-trig has made a few multitouch advances in the past, and it's now trying to push things a bit further once again with its new so-called N-act hands-on gesture vocabulary, which promises to open up a new range of four-fingered, two-handed multitouch gestures. That includes new tricks like a three-finger side sweep gesture to scroll between windows, a three-fingered tap to display all open windows (just hold to cycle through them), and the ability to select something by making a rectangle with four fingers, to name but a few options. What's more, N-trig says that at least some OEMs h
