TIL – Holocaust tattoo numbers were primary keys for IBM machines (Dehomag)

8 点作者 jgamman超过 6 年前

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eesmith超过 6 年前

See also <a href="https://en.wikipedia.org/wiki/IBM_and_the_Holocaust" rel="nofollow">https://en.wikipedia.org/wiki/IBM_and_the_Holocaust</a>