Your Office Copy Machine Might Digitally Store Thousands of Documents That Get Passed on at Resale

(CBS)  <!-- longtext start-->

At a warehouse in New Jersey, 6,000 used copy machines sit ready to be sold.

CBS News chief investigative correspondent Armen Keteyian

reports almost every one of them holds a secret.

Nearly every digital copier built since 2002 contains a hard drive - like the one on your personal computer - storing an image of every document copied, scanned, or emailed by the machine.

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