Gardens of Discussion: What Makes Online Communities Work?

Gardens of Discussion: What Makes Online Communities Work?
John Drummond, Academic Technology, January 15, 2014
This is one of those posts that feels like it's about half the length it should be - it starts out really well and then just tails off when it gets interesting. Still, there are some good bits, and I haven't linked to this site before, so it's worth a mention. More...