For years, people trying to hail a cab in New York City have been confused by trying to decode the many permutations of taxis’ “Off Duty” lights. If those words are illuminated, the cab may still be available, but only if the medallion number light is also on — and if you happen to be heading in the direction the cab is driving. It’s confusing enough to NYC residents, and downright confounding to most visitors. But that’s all about to be cleared up. [More]