Some of the features that I think are important factors in making an online community successful or unsuccessful is the question of synchronous versus asynchronous community space. I wanted to point this out in particular because I think it's really important that when you're building community online you consider this.

We think that probably using synchronous space to get things going is an important thing, and then of course you can use, say, a Webcast or a chat transcript and use that to draw people in asynchronously by posting it to the blog or to the board and letting people sort of interact with it after the fact.