Today's show is all about Social Security Numbers! Sound boring? I thought so at first, too, until I realized that I really don't know anything about them...

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References:

www.ssa.gov/history/orghist.html

www.ssa.gov/history/hfaq.html

www.ssa.gov/history/1930.html

www.ssa.gov/history/ssn/firstcard.html