Quora was started by a whole slew of Facebook's early tech team, include their past CTO. It has heavy hitters both in-house, and on the investment team. Check out <a href="http://gigaom.com/2010/01/05/former-facebookers-try-to-foster-consensus-with-quora/" rel="nofollow">http://gigaom.com/2010/01/05/former-facebookers-try-to-foste...</a> . It gets lots of news as a result, and went into "semi public" beta recently. Hence, it makes sense that it would be top of mind for any writer in the startup/tech space. I highly doubt this is astroturfing.<p>To me, this blog post almost appears to be a link building attempt via trying to raise artificial controversy...