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Why printers add secret tracking dots (2020)

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Why printers add secret tracking dots (2020)

They’re almost invisible but contain a hidden code – and now their presence on a leaked document has sparked speculation about their usefulness to FBI investigators.

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dimitarvp

dimitarvp

Yikes. No surprise. I just wonder if B&W have another method of adding the tracking info. Probably the laser can burn those patterns in an almost-invisible manner on the paper? Would be very curious to know.

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