Anonymous Ops: In May 2009, 4chan's /b/tard pranksters made the headlines after spamming the world's largest video-sharing site with adult films cleverly disguised as teen idol music videos.

Anonymous Ops: This cyberwar waged against underground pedophile communities in October 2011 has been regarded as one of the most esteemed vigilant missions carried out by the group to this day.

Anonymous Ops: This graffiti practice involves drawing the lion face emoticon over portraits on banknotes and releasing them back into circulation.

Occupy the Internet: This image macro series was born in November of 2011 after Fox News anchor Megyn Kelly dismissed the harmful effects of pepper spray by saying "It's a food product, essentially."

Fashion Memes: Though the term was not coined until 1984, the act of donning a costume to represent a fictional character or idea dates back to the first World Science Fiction Convention in 1939.