Like Lulzsec, this hacktivist collective has been known to infiltrate websites of high-profile government agencies and multinational corporations since its emergence in July 2012.

Formerly known as a "spokesperson" for Anonymous, writer Barrett Brown is now facing federal charges which could have him imprisoned for up to 100 years.

Videos documenting this burn-inducing pain challenge involving pressing an ice cube against salt on one's bare skin have been shared on YouTube since July 2006.

The character Patrick Star's bewildered expression from the 2004 animated film The SpongeBob Squarepants Movie has inspired a photoshop meme in which the cartoon starfish is edited into a variety of different base images.

This quirky Asian photo fad mimicking the "Qi blast" as often seen in Japanese fighting arcade games and mangas has been around for years, but recently, it has found a new audience on the English-speaking web, thanks to Twitter and Portland blogger Kentballs.