"It’s kind of a bummer when you look so beautiful and somebody has the same exact one as you," says a high school senior quoted in a recent New York Times article. At issue, prom dresses. The problem: how to make sure that in these recessionary times, no one else buys the same dress you’re planning to wear and just spent a whole lot of money on. The solution: stake your claim, well in advance, by posting a photograph of it on your Facebook page. And just hope no one posts mean comments about it.