In the case of EPOS, we're shown a stylus that, in addition to offering traditional physical touch input, also allows users to interact with a device via ultrasound.
Well this is interesting: a webOS dev spotted a pair unnamed devices in his log files -- one sporting a 1024 x 768 screen and a non-sliding keyboard, and the other a smartphone with no physical QWERTY input.
Groopman observed that hope does not just involve a mind-to-body connection, but also a body-to-mind connection, where neural input about one's physical condition serves as a moderator of positive and negative emotions.