A lot of good points you brought up!<p>At least on the business side: right now the only noteworthy product that seems to be innovating in the general discussion space is <a href="http:&#x2F;&#x2F;try.discourse.org&#x2F;" rel="nofollow">http:&#x2F;&#x2F;try.discourse.org&#x2F;</a>. I&#x27;m not following this field closely, so I&#x27;m probably missing out on at least 10 interesting possibilities.