Daniel Burnham, Anuj Patel, and Sam Bell created for their embedded systems class at Georgia Tech a bathroom mirror / information display. Dubbed Cloud Mirror, it is essentially a partially silvered mirror placed in front of an LCD television, hooked up to a WinCE box with some Phidget sensors.
The User controls the display by waving his/her hand across eight infrared sensors (four across the top, and four down the side). Swiping across the top. the display is toggled on and off, while various modes (weather, news, traffic, and calendar) are controlled through the sensors on the right side. (Video after the jump.) Obviously, it is prototype level technology, but is a bit interesting. Basically, they were thinking about how to integrate typical morning information gathering into daily grooming rituals.