https://xkcd.com/2912

Alt text:

𝓘 𝓽𝓱𝓲𝓷𝓴 𝓬𝓪𝓹𝓲𝓽𝓪𝓵 𝓛 𝓲𝓼 𝓹𝓻𝓸𝓫𝓪𝓫𝓵𝔂 𝓽𝓱𝓮 𝓶𝓸𝓼𝓽 𝓯𝓾𝓷 𝓽𝓸 𝔀𝓻𝓲𝓽𝓮, 𝓽𝓱𝓸𝓾𝓰𝓱 𝓵𝓸𝔀𝓮𝓻𝓬𝓪𝓼𝓮 𝓺 𝓲𝓼 𝓪𝓵𝓼𝓸 𝓪 𝓼𝓽𝓻𝓸𝓷𝓰 𝓬𝓸𝓷𝓽𝓮𝓷𝓭𝓮𝓻.

    • Flying Squid@lemmy.world
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      7 months ago

      They are not especially useful now, but back before everything was computerized, signing your name on a check or a credit card receipt was a way you could help stop people from committing fraud if they stole your card or your checkbook.