As sure as day follows night. There will always be a new thing in social networking.
The new kid on the block Seesmic its founded by Veteran blogger Loïc Le Meur and is at
http://www.seesmic.com/
at its simplist is a online video chat. but is linked in with Twitter so that you get notified via Twitter of a new message
A recent BBC article is here
http://www.bbc.co.uk/blogs/technology/2 ... esmic.html
Ian