Geri - it's at the bottom of the main page
Gino - same thing for me here on RBC...now over on MagicMethod it's working (still, it's at the bottom of the main page) but it goes up and down - being a new version it's prob'ly very buggy...?
it's working now. at the bottom of RecruitingBlogs.com there is a small line with chat functions. You can pop the chat out of Ning now and click the audio button if you want to know when there is conversation