We started a social network for writers, a bit like Facebook, and it's really going well. The writers from Second Life are very active on it and it's great for keeping in touch at times when you can't get on to SL. It's on http://www.writtenword.ning.com
We run the largest active groups for writers on SL, and try to provide everything writers could need, from hobbyists all the way through to published authors, and it's all free. We have a website where you can find out all about it on http://www.writtenword.org.uk