"Focus on building a community first, and worry about monetization later." I don't entirely agree with this statement. This is precisely why a lot of startups fail because they slap on the business model as an afterthought. DHH said it pretty well: <a href="http://www.youtube.com/watch?feature=player_embedded&v=0CDXJ6bMkMY" rel="nofollow">http://www.youtube.com/watch?feature=player_embedded&v=0...</a>