Youtube vids increased Monty Python DVD sales by 23,000% on Amazon !!!

I don't think this has been posted here yet... I was reminded by the other posting saying that a record company was removing some Stereolab videos from Youtube, like Jenny Ondioline.

http://i.gizmodo.com/5137827/monty-python-puts-free-videos-online-sells-23000-more-dvds

Monty Python started a YouTube channel with tons of their sketches streaming for free. The included links to their DVDs at Amazon. The result was a whopping 23,000% increase in sales.