[JimDabell]

Not the original source, but this is the joke, along with its real-world counterpart:

http://grumpytech.blogspot.co.uk/2007/02/joke-becomes-true.h...

Also, don't forget "Dear aunt, let's set so double the killer delete select all":

https://www.youtube.com/watch?v=2Y_Jp6PxsSQ

[macintux]

And of course Dilbert: http://dilbert.com/strip/1994-04-24