This could be something really awesome. There is a lot of space for a new method of interaction with software that is independent of voice and touchscreen. Specially with AR and VR. If done right, this could be as big of a game changer. Possibly as big as the Scroll Wheel or Touch screen. Here is an older but related TED video that speaks to some interesting use cases: https://www.ted.com/talks/pranav_mistry_the_thrilling_potent...