Computer printers have been quietly embedding tracking codes in documents for decades

In 2004, when color printers were still somewhat novel, PCWorld magazine published an article headlined: “Government Uses Color Laser Printer Technology to Track Documents.” It was one of the first news reports on a quiet practice that had been going on for 20 years. It revealed that color printers embed in printed documents code

Sourced through Scoop.it from: qz.com

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