Here's where this 'success kid' pic and other Internet memes originally came from

Memes are everywhere. Easily sharable on any social media platform, and instantly remixable with little technical effort, they've become visual vehicles to share our thoughts with the outside world.

But where do they come from?

That's where KnowYourMeme comes in, a sort of Wikipedia for memes that covers a meme's journey from inception to viral hit, along with its inevitable decline, and in some cases, its crossover into popular culture. 
Here are the origin stories behind 7 of the most widely shared memes on the internet.