870
Low toner
(lemmy.nz)
you know the computer thing is it plugged in?
A community for memes and posts about tech and IT related rage.
Unfortunately there are techniques that work with black and white printers too. I don't know if any have actually been implemented though.
I hadn't heard that. I guess imperceptible grey is just as good.
I can't find it now but IIRC it works differently - not by adding dots but by subtly modulation the laser power. It's more like traditional steganography.