What is rule 34?

Rule 34 is an internet adage that states "if it exists, there is porn of it." It essentially posits that pornography exists depicting every conceivable subject.

• It is a common joke and meme used to express surprise or resignation when encountering pornographic content of an unexpected or unusual subject.
• The origins of the rule are traced back to a 2003 comic by Tango, where it was originally stated as "If it exists, there is porn of it. No exceptions."
• There are several related internet rules such as Rule 35 (which is a counter-rule stating that if porn exists of something, so will its opposite, i.e. anti-porn) and Rule 36 (related to fandoms; If it exists, it will be ruined.).
• The "rule" doesn't necessarily mean the content is easily found, but that it exists somewhere on the internet.
• It's important to note that the existence of such content does not automatically make it legal or ethical. Depictions of child%20abuse, non-consensual%20acts, and other illegal activities are still illegal, regardless of the rule.