There Will Be Complaints

Color laser printers from Canon, Epson, HP, Lexmark, Xerox and others are placing tracking dots on your documents. Dots are placed on printed documents as part of a deal with the Secret Service, which the EFF (Electronic Frontier Foundation) says is to "catch counterfeiters." The date/time of document printing was encoded on the dot, as well as the serial number of the printer. You won't be able to see the dots without a blue light and a magnifying glass. Yellow dots.