Reverse Image Search

I've been busy working on my thesis and came across a few interesting tools related to what I'm researching. Here's one: tineye.com bills itself as a "Reverse Image Search Engine." You upload a picture from your computer, and it points you to different places hosting the picture or some variation of it. I immediately thought it would be useful for finding online meme origins, so I input this image:



And ended up finding this:



Along with a hundred other variations. Okay, it's not the most brilliant bit of investigation, but it was fun.