The always-helpful Consumerist blog has posted a tip on how to get a real, organic, carbon-based human being on the American Airlines customer service line. Turns out there’s a secret code of sorts. That’s useful stuff, at least until the airline changes the code. If you’re dealing with another airline, try gethuman.com, which posts tips of this kind about a wide range of companies. Or you could try being a very important airline customer, which gets you a special phone number that is actually answered by a person, as Laura Bly reported in USA Today.