True story: despite going to an hour-and-a-half-long training session about git (the new version control system we're moving to), I was still utterly confused about a few parts of how to use it. Then I went to that session, and schwern explained it to us with Tinkertoys, and at one point I actually embarrassed myself by blurting out, "OH. I GET IT NOW." and making, like, the entire first four rows of the room laugh at me. *g*