Is Your Printer Spying on You?

Imagine that every time you printed a document, it automatically included a secret code that could be used to identify the printer – and potentially, the person who used it. Sounds like something from an episode of “Alias,” right?

Unfortunately, the scenario isn’t fictional. In a purported effort to identify counterfeiters, the US government has succeeded in persuading some color laser printer manufacturers to encode each page with identifying information.

Electronic Frontier Foundation

List of Printers Which Do or Do Not Display Tracking Dots