For better or for worse is certainly up for debate too. On the one hand, closed systems suck and these valuable comments could get locked out of search engines.

For better or for worse is certainly up for debate too. On the one hand, closed systems suck and these valuable comments could get locked out of search engines. On the other hand, I've seen article commenting go through the roof with a simple Disqus include. Ease of sign-in and uniform appearance probably has a lot do with it. It'll be interesting to see how they implement this.