The webcomic xkcd was recently featured on a popular tech website which I frequent. The author spoke at mit about his life and writing (and was interuppted by students), so I started reading the comic. Man, is it good.
I just started reading them, and got lots of the way through. Then I realized that there is a second level of awesome, in the img alt text tags. And then I read most of them again.
Some of my favs, in no particular order: