If the toe mouse just wasn't grand enough for you, how about an entire floor to practice your foot-based inputs on? Researchers at Potsdam's (that's in Germany, yo) Hasso Platter Institut have put together a multitouch floor that recognizes individual users by their shoe pattern and responds to such universally familiar actions as stomping your feet and tapping your toes. The so-called multitoe project works on the basis of frustrated total internal reflection, which allows it to ignore ina
