One of my co-workers showed me this. I was perfectly appalled, of course.
Not so much by the thing itself, but rather because it's actually a useful training video for Photoshop - done as a rap song. Or two. Which is apparently sufficient to break my brain.
Embedding is disabled, so you'll have to go to youtube to see this:
Photoshop Rap Part 2
Got any suggestions for things that people really ought to see? Help make everybody's Friday a little cheerier by leaving 'em in the comments.