I used Disqus previously, but eventually dropped it because I didn't really have a need for comments and all they entailed. Having a comment system means having

I used Disqus previously, but eventually dropped it because I didn't really have a need for comments and all they entailed. Having a comment system means having to ultimately setup a way to combat bots and spammers, and probably having to do some moderation (depending on the subject). Linking to whatever discussion happens on Hacker News and Reddit is usually good enough. I think that's what pingbacks were supposed to be for?