Just be carefull with some "button's" which don't run:
- Google buzz open a window -> stay blocked
- Yahoo buzz : doesn't run
By other part, becarefull with the FaceBook buton's settings, because sometimes it's put a blank space if you don't activate some options: not pretty.
Though, it is a very nice extension. Problem's with W3C. I found one easy to correct:
crapouille, thank you very much for the review.
I am going to fix and improve the extension. ;) :)