An older link from econsultancy (is 2010 old?)
The internet is littered with empty forums and half-formed Ning groups, so here are a few universal rules that will help you grow a successful, useful online community whether it’s for a blog, forum or dedicated network
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While platforms and integration are continually evolving, the basic rules of governing and growing a community are fairly straightforward and if properly implemented should enable you to grow a long-term, high value community that will really benefit your business.
I especially like the “Engage the right people” idea.