Is your printer spying on you?

Sound unbelievable? It's not. Major printer manufacturers have designed their printers to print an almost invisible sequence of dots on every printout that can be used to trace the printout back to the printer.

Who asked for this? It was at the request of the U.S. Secret Service ostensibly to combat conterfeiting, but obviously it can be used for other purposes.

Read more about which printers use this technology.