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    How To Steal A Social Security Number

    Some enterprising researchers figured out how to guess most anyone's:

    Start with a list of dead people who share a birth date and place with your subject (from the "Death Master File," publicly available). The first 3 numbers are based on birth location, the middle 2 remain constant over several years, and the last 4 are issued sequentially. Find a computer geek and get cracking on that identity theft, kids.