FacebookIf you are a Facebook user and are an owner or fan of the MINI Countryman, MINI Coupe, or John Cooper Works models, there is an unofficial Facebook Group for you.  You may need to join the group in order to post, but all are public groups to read the discussions:

Google+If you use Google+ you are probably already aware of the new Communities function.  A few MINI enthusiasts were quick to utilize this new functionality to create social groups.  Already these Communities have formed:

We have a full list of official and unofficial MINI sites on all the major social networks.