Warning (Added 2015) Some of the documents that we previously received through FOIA suggested that all major manufacturers of color laser printers entered a secret agreement with governments to ensure that the output of those printers is forensically traceable. Although we still don't know if this...
Man, that makes me mildly uncomfortable, I don’t like that my printer is a spy.
I used to run a digital press that did this. It also made the print quality worse.