Programmer Humor

A friend turned me onto this online web comic called XKCD.  Some parts are really funny.  Others, quite lame.  Anyway, here are some of the funnier ones from a programmer's viewpoint:

http://www.xkcd.com/c138.html

http://www.xkcd.com/c221.html

http://www.xkcd.com/c208.html

http://www.xkcd.com/c163.html

http://www.xkcd.com/c26.html

http://www.xkcd.com/c205.html