Dion Hinchcliffe wrote a great article that highlights the need to understand "community" first before evaluating any technology used to enable it.
I like this:
That most of us are not fluent community facilitators is something that
will almost certainly be addressed as a vital new workplace ability and
one that we will have to acquire diligently to work effectively in the
future. Those that can reach out, engage, and elicit useful
participation over the network will increasingly have the advantage
when it comes to achieving directed, collaborative problem solving,
often known as
tacit interactions.
And this:
