http://googlesystem.blogspot.com/2009/02/buy-videos-from-youtube.html

http://lifehacker.com/5152236/youtube-offers-official-downloads-and-purchases-for-videos

[Moved – Tony]

http://www.youtube.com/blog?entry=Mp1pWVLh3_Y

"Using Creative Commons licenses, we're giving our partners and community more choices to make that happen. Creative Commons licenses permit people to reuse downloaded content under certain conditions."

Sounds like they're going to add a setting for us to adjust the copyright (or copyleft), on videos similar to Picasa Web Albums.

Covered at
http://tech.yahoo.com/news/nf/20090213/tc_nf/64690