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Google regularly contends that well-targeted advertising is valuable to the end user. Facebook promises that its advertising technology will allow levels of refined targetting that even Google has yet to muster, thanks to all the information people willingly give the company about themselves. While computer graphics and animation specialists may have moved past the uncanny valley, advertising targetting lags behind. Washington Post reporter Rachel Beckman had to put up with ads promising to trim down any love handles. After complaining, those ads were removed and the site changed its policy towards aggravating fatties. But now that's she's changed her relationship status from engaged to married, did Facebook greet her with mazel tovs?Nope. Think ads for fertility treatments. Sex sells, especially at less than one dollar per thousand impressions, with men getting offers of casual sex and women offered appeals to body image issues and baby lust. If I were a brand looking to maintain a family-friendly image, I'd be less worried about being placed next to raunchy photos posted by Facebook users, and more worried about sharing space with other, less demure advertisers — if only because click-through rates are bound to suffer in comparison if you don't mix in a little tits and ass.