Advocates crack printer identifier code

A privacy group says it cracked the code used by color printers to leave an identifying watermark on documents that can be traced by the U.S. government.

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<p><a href="http://www.physorg.com/news7399.html">Advocates crack printer identifier code</a></p> <p>A privacy group says it cracked the code used by color printers to leave an identifying watermark on documents that can be traced by the U.S. government.</p>