This phrase used as a reaction to things that have an extreme effect on someone, in either a positive or negative manner, was used as early as 1994 in the film Pulp Fiction.

What better way to fight this heat than to spook yourself out with a creepypasta about a "mystery cave" expedition?

You already knew this, but cats plus anything equals viral, even sliced breads. See also: Neko-pan.

This photoshop meme features a candid photo of actor David Tennant while performing his role as the tenth protagonist in the British science fiction television series Doctor Who.

A year after Twitter launched, there were only 5,000 140-character tweets sent daily. Seven years later, Twitter has accrued more than 200 million active users who make 400 million tweets each day.