Would be awesome if you could add some basic Learning Management System functionality (ie a "next lesson" or "complete lesson" button, a progress indicator, and a course contents index). Circle.so works very similarly to PeerBoard in many ways and recently introduced this functionality.
One of the biggest challenges for anyone running an LMS these days is avoiding having the learning on one platform and their community on another. Obviously, because Peerboard can be embedded it opens up the option of embedding your Space on your website if that's where your courses are hosted (as is the case with me).
But many LMS users would kill for one simple place where they could handle community and LMS all in one.
One of the big dilemmas for anyone running a LMS