Interesting things are happening over at Zenbe with a few new enhancements current users have been anticipating and might help encourage new users to sign up.
A new Facebook tab joins the already present Twitter tab and helps users keep in contact with their social network. Keeping the Facebook feed compact requires that only the latest update from each friend is displayed, so really what you get is a Facebook shout-box. While not a fully-featured integration, the Facebook tab gives you just enough information within easy reach to keep up with friends and colleagues.