A Facebook Comments Box enables you to leave a comment on this site as your Facebook profile or any Facebook Page that you are admin of. You can choose to have your comments posted to your Facebook wall (Profile or Page, depending on how you made the comment). With this, the comment also publishes to the News Feed of your friends / fans, thus being easily shared with them. Such sharing on Facebook links back to this website on the content you have commented on. Friends and fans can respond to your comment either directly from News Feed on Facebook, or from Comments Box on this site.