Rated 5 out of 5 stars
IMHO the best Add-on so far to update all your Internet services, wether it is a social network (approx. 70 of them), friends/colleagues (email without leaving the linked page), blog and some other I haven't tested yet :D
OK could have copy/pasted Jimhickeymusic & unaccountable comments as well ;)
Very handy as it is accessible from anywhere in FF (but status bar).
A way (simple API) to add some other services (should they be unknown from author &/or very localized) is all it misses for /me 101% happy.