themarcusknauer

themarcusknauer t1_jdtq8hf wrote

: Numerous brands of color laser printers leave coded metadata in barely perceptible yellow dots that can be used to trace a printed document to its source, a feature originally intended as a deterrent to counterfeiting currency with laser printers.

May be worth gathering them all up and giving to the authorities. 🤷🏻‍♂️

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