Are you on Craig's list?

This article is from 2000 but it is still relevant:

Community. It is one of those devoid-of-meaning words that inspires bemused grins from Internet insiders. Is a stock-market chat room a "community" -- or a rumor mill? Is a collection of customer reviews (of books, software, or cars) a community forum -- or just a bunch of ill-informed opinions from never-satisfied consumers?

Craig Newmark knows a community when he sees one -- because he's built one of the Web's most influential communities.