I've done a lot of full 3D gestures work. They work well, but people are finding it hard to come up with workable interactions to care about/spend battery on.

I've done a lot of full 3D gestures work. They work well, but people are finding it hard to come up with workable interactions to care about/spend battery on. Google's new stuff had an opportunity to move gestures off the screen, mostly because it is low power/localized rather than high power/installations/invasive.