For those who use Twitter to follow their friends, you can also follow the latest posts on Cavechat through Twitter. Just go to:
https://twitter.com/Cavechat
You can also follow the latest user activity on OnlineCavers through its Twitter feed at:
http://twitter.com/OnlineCavers
If you aren't familiar with Twitter, the short explanation is it's for people who REALLY want to stay in touch -- mostly on their phone. I don't understand the draw, but lots of other people do.