Authority SEO now lets you comment on posts using your OpenId profile. You can now use your DISQUS, Twitter, Facebook, and OpenId to interact and exchange views with Authority SEO and its readers.
OpenId is your Internet profile that you can use on many websites so you don’ t have the need for many different usernames and passwords. Over 40,000 different websites support the use of OpenId for user profiles.
At the bottom of the post just click the icon to log into your OpenId profile and add your comment.