one of my readers sent me that to screenshots of youtube:

http://img139.imageshack.us/img139/7486/picture4wo6.png
http://img139.imageshack.us/img139/9387/picture1nd9.png

Can anyone of you see that bar on youtube?

I don't see it (Linux / Firefox 3)

It's a toolbar for people who spent their nights on youtube.

first i thought it is a fake, but then I found that file:
http://s.ytimg.com/yt/img/toolbar_images-vfl47688.png