If you go to the shady side of the internet, the one with lots of ads that autoplay, you might see the Gangnam Style video as one of them. I guess they buy the

If you go to the shady side of the internet, the one with lots of ads that autoplay, you might see the Gangnam Style video as one of them. I guess they buy the ads as part of their marketing for the song, but I'm not really sure how that works. I've seen other popular songs being auto-played as well. I guess being in the top viewed is important enough that you spend money on it.