http://www.cnn.com/2010/TECH/innovat....html?hpt=SbinInstead of sliding a mouse across your desk, you could just point at whatever you'd like to select. Instead of pecking away at a keyboard, you could just say what you're thinking. And instead of glaring at a big screen all day, why not just project that information on the surface of your contact lenses?
None of this is science fiction. These ideas are here today, some of them in research labs and others already on store shelves.