I don't see the OpenID here. I see them restricting me to only 4 third-party sites. Since there doing that, using OpenID or using each third party's system make

I don't see the OpenID here. I see them restricting me to only 4 third-party sites. Since there doing that, using OpenID or using each third party's system makes no difference. OpenID's supposed to be decentralized, but how do I log in with http://stevearm.com http://stevearm.com?