These days, when you don't even need paper tickets or boarding passes to get on a plane, having a U.S. Post Office in an airport might seem like a quaint relic of the past. Quaint, until you realize that you forgot to sign that contract you must get in the mail before you head to Japan. Or that you're still carrying around your parents' anniversary card because you didn't have a stamp. That's when this post office will come in very, very handy. And then there are those edibles you forgot to hide in the dirty laundry in your luggage...although you know it's illegal to send marijuana through the mail, don't you?
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