http://googlesystem.blogspot.com/2010/06/youtube-video-editor.html

New features are wonderful, but i wish they'd just make the site really solid before they released fancy crap...
http://blogoscoped.com/forum/171851.html

Here's the editor: http://www.youtube.com/editor?popart=681928

See, if they had the option to specify copyright, users could be shown a vast library of other videos and songs they could use to edit.

Do you know what this is for?
http://imgur.com/4Ipxj.png

PopUp

(was available in old design, but not in player)