Facebook: A Social Network Success

On the reason why the first generation of social networks failed (as compared to MySpace and Facebook), he thinks that they have not focused on providing a set of utilities to their audience, they were merely about creating connections.

Software Only: The Facebook unplugged at Stanford ETL

This is a great article on the folks behind Facebook and how it is put together.  The above quote makes me wonder: how can CALI create a social network among law students, among law faculty, amng law librarians?  What utilites can we provide that would ignite a community and a social network?