Published Friday 15th February 2008 22:14 GMT
A little-noticed system that allows printed documents to be tracked by government agents has gotten the attention of the EU Commissioner for Justice Freedom and Security, who says the technology may violate EU human rights guarantees.
The technology is baked in to many popular color laser printers and photocopiers, including those made by Brother, Cannon, Xerox and HP, according to this list compiled by the Electronic Frontier Foundation. It embeds almost invisible tracking dots onto documents that uniquely identify the machine that printed them.
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