If you’re looking for useful info on promoting the group through social networks and general online marketing then Hub Spot is a great resource. They have lots of free guides on how to build an effective Facebook presence etc. It is mainly aimed at business but the principles for anyone trying to raise awareness are the same. This is the page with all the free guides on their website:
http://www.hubspot.com/internet-marketing-whitepapers/
(from Vicky at MakeHay)
