• Valmond@lemmy.dbzer0.com
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      12 days ago

      It’s a pattern not visible to the eye, unique for each printer, so that the CIA (for example) can figure out which printer printed a document.

      • tomiant@piefed.social
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        11 days ago

        If you decide to print your manifesto and don’t want to be connected with it “post event”, to get around this you could just photocopy the printed sheet and thus foil the dastardly plans of the FBI with that simple trick (which they hate).

        • teslekova@sh.itjust.works
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          11 days ago

          Photocopiers do it too. Don’t fall for it, kids. Think chains of copies, old Craigslist printers, no credit record cash only transactions, camera avoidance, etc.