Thanks to Richard Millington at FeverBee for this tip today…
If you’re eager to build online communities, the best article you can read is Sense of Community by McMillan and Chavis. This article holds more useful advice (and a great practical framework) for developing an online community than any other.
It was written in 1986. Which means, unlike the post-twitter articles, it gets better every year.
If you’re lazy, here’s an easy-reading version.