Hi Ben
You might want to give Joomdle and Jomsocial a try. Or if you're feeling code-adventurous, you might want to integrate Srinivas Tamada's Facebook-like Wall with your Moodle site.
Frankie Kam
Lounge
Integration between Moodle and Yammer (or any SNS)
This discussion has been locked so you can no longer reply to it.