Ping.fm is a tool used to post updates to various social networks from one dashboard.
Just had to setup a ping.fm account and realized quite a lot of sites are broken.
Friendfeed (sign up requires twitter/fb)
Identi.ca (Breaks your session)
Ning (no longer free)
Bebo (Breaks your session)
Wordpress.com (Didn’t work for me)
Delicious (Doesn’t work)
Youare (No longer a service)
Tagged (Doesn’t work)