Are you using the Gnome Deskbar Applet?

If you do not use - in vain.
Deskbar is a search applet for the Gnome panel. It allows you to google, write to Twitter, search for your bookmarks on del.icio.us, count using a calculator and do a lot more clicks.
Well, just like Spotlight Finder on Macs (or whatever you have) ... Thanks, mr_stupid !

( link )
Here is a screencast. Open to full screen and choose the original size. By the way, on RuTube video can be uploaded more than its working resolution. But that's another story ...