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BangBook.com replaces "face" with "bang" to take social networking out of the realm of good clean fun and into a far more X-rated zone. You know how some porn sites claim to have images that were banned from FB? Well, explicit nudes as profile pics are kind of the norm here. Many members here appear to be amateur exhibitionists, although there's no way to guarantee that they're all real people. At any rate, before you upgrade you can't see full profiles, but you can do free local searches within 10 miles of a U.S. zip code or a city in other countries like Canada and the U.K. At least the membership isn't too expensive, although the site's popularity is modest.