Back in the early ’90s, it was common to share pornography via fax-machine.
People almost always distributed amateur photography, but this wasn’t for any reason that you might be thinking. In fact, it was entirely due to a rumor that perusing faxed copies of magazines could cause one’s semen to turn green. The rumor was prevalent enough that leading scientists actually conducted an enormous study, sending centerfold images and collages to participants. After six weeks of this, they collected samples, analyzed them, and published their findings. As it turned out… … faxed ‘zines don’t cause odd jism.