Our blog now supports OpenID for leaving comments.  OpenID is a “decentralized, free framework for user-centric digital identity.”  You choose an OpenID provider and sign up for an account.  This gives you a URL, like mine: http://enricob.myopenid.com/.  Provide this URL to any OpenID-compatible site (like this one!) and you will be transferred to your provider to log in.  When the provider has successfully authenticated you, it will tell the site you’re using that you are indeed the owner of the OpenID URL that you provided.  Your OpenID URL becomes your one identity for use with many sites.

If you have an OpenID — you may already have one and just don’t know about it — try using it to leave a comment on this post.  Just enter your OpenID URL in the “Website” field and the rest will be handled for you.

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