Works well with Twitter, but will not pull Facebook comments if you use WordPress JetPack Publicize. I tried to use the plugin's native Facebook broadcast feature, but it is not working on any blog I installed the plugin on. So I am disappointed Facebook does not work. Also, I wish it would allow you to manually associate a Facebook post to a WordPress comment, like it does for Twitter, but it does not. I think it is a good plugin, but it needs to be updated to be compatible with JetPack.