This really puts into perspective of what kind of moat facebook has and just how much overlap there is with companies like Disqus. Personally, I like Disqus be

This really puts into perspective of what kind of moat facebook has and just how much overlap there is with companies like Disqus. Personally, I like Disqus because you aren't required to log in to one specific social media account and integrating it with your site is pretty easy.