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Is Facebook having problems keeping porn out of its advertisements? Seems so, according to this screenshot forwarded to us by a user. Our tipster also forwarded the screen shot to MoveOn.org, the group protesting Facebook's new ads that tell your friends about purchases you've made online. So expect a shortened holiday for Zuckerberg & Co., or at least Facebook's ad-monitoring team. Here's the ad in its original context. Parents should keep their children away. There's no telling what damage repeated exposure to a woman's breast can do to young ones.

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