techchrunch article: http://techcrunch.com/2013/08/20/apple-patents-3d-gesture-control-via-hover-based-input-on-touchscreen-devices-like-the-ipad/ http://techcr

techchrunch article: http://techcrunch.com/2013/08/20/apple-patents-3d-gesture-control-via-hover-based-input-on-touchscreen-devices-like-the-ipad/ http://techcrunch.com/2013/08/20/apple-patents-3d-gesture-co...