I get asked this soooo often by incredulous people who seem unaware that Google is free, YouTube is free, Bebo is free…. Here is the answer, from the far-more-eloquent-than-me Cory Doctorow.
(if you cannot view the embedded video, go to http://video.google.com/videoplay?docid=-4454381456832593071 )
Yacapaca 