80s & 90s Nostalgia: This PSA, featuring an original rap song about the negative consequences of software piracy, was originally distributed to schools on VHS in 1992.

An acronym for "good game", GG has been used in multiplayer games ranging from Starcraft to online chess since the late 1990s.

This photoshop meme morphs images of celebrities into various animals and inanimate objects using a template inspired by the cover art from the science fiction book series Animorphs.

Internet Mysteries: Since its inception by University of California Santa Cruz students in the 1990s, this online hoax surrounding the scientific name for pure water has become a staple April Fool's Day joke on the English-speaking web.

This animated cartoon series has spawned two books and a cartoon strip since its YouTube debut in March of 2008.