Maintaining your balance on a packed train while trying to handle the big-screened smartphones of today is often a tough challenge. At least NTT DoCoMo thinks so, offering up a new interface to avoid such issues -- and throw in some extra gesture shortcuts. Gesture UI is a combination hardware-software prototype that the Japanese carrier is showing at this year's CEATEC showcase in Japan. Consisting of a trio of grip sensors located along the two edges and across the back of the prototype phone, these can each detect up to five levels of pressure from yo
