Google's proprietary discovery extension?

From http://www.readwriteweb.com/archives/google_to_announce_major_identity_initiative_for_1.php OpenID relying parties will need to be redirected from the domain provided at user login over to Google's OpenID service. In order for this redirect to happen, all relying parties will need to start

experimental namespace for openid.net

Hi guys, Google would like to launch a feature in which we're allowing our Google Apps hosted domains to become OpenID providers. The authentication part of it is pretty simple - Google is already logging in users to their apps, so we can also host an OP endpoint for those domains and send