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It’s a simple yet elegant solution to the bane of concert, theater and sports event attendees everywhere. A light above each restroom stall glows green when the stall door is open and turns red when the door is locked, instantly showing which stalls are available. Allen Klevens, co-founder and CEO of Tooshlights, an L.A.-based startup, says that the technology could potentially cut wait times by up to 50 percent. — forbes.com
