Most viral memes are the ones which make us laugh, but what about when that humour is vicious, even criminal, when an innocent person is the image being used as the joke? The Joy of Memes explores the happy side and the dark side of this internet phenomenon. Memes are a new language, a creative process which anybody can become involved in. But they require the oxygen of social media to turn them from a gag that your friends giggle at to a viral hit. You might be surprised where they originate from too - and how long the word's been around!