Nobody likes to wait in line for the bathroom, but sometimes that’s just the way things are at big, busy venues like stadiums and airports. Entrepreneur Allen Klevens couldn’t accept this fact of life, however, and set out to fix it with his new product Tooshlights. These small beacons rest at the top of a bathroom stall door and glow red if the space is occupied or green if it’s free. Klevens hopes this clever stop-and-go system will drastically speed Continue reading