As referrred from /. - http://www.danga.com/words/2004_oscon/oscon2004.pdf
Overview but well done.
Agent Smith was right!: "I hate this place. This zoo. This prison. This reality, whatever you want to call it, I can't stand it any longer. It's the smell! If there is such a thing. I feel saturated by it. I can taste your stink and every time I do, I fear that I've somehow been infected by it."