Tooshlights, for no more door-peeking...

Finding an open stall in a large public restroom can be an awkward process, involving tentative presses on the door (hoping the locks are functional) and peeking under the door (hoping not to embarrass anyone, including yourself). A company called, yes, Tooshlights (stoplights for your toosh!) uses technology to help: when the door is locked, a light above the stall is red, while green means, well, "go." Similar systems are already on many airplanes, indicating when all lavatories are occupied - and honestly, they're handy. Battery-powered Tooshlight door sensors decline the opportunity to link with hardwired flush sensors - but those have their own problems. So overall, not a bad idea - and restrooms need all the good ideas they can get!
[via Core77]