The Wayback Machine - http://web.archive.org/web/20090729110754/http://portablecontactsdemo.janrain.com:80/

Combining the open building blocks of OpenID, XRDS-Simple, OAuth + OAuth Discovery, and Portable Contacts, we show how a user can log into an OpenID relying party and import their profile and contacts without revealing their third party credentials to the relying party.

Note: Demo requires that you have a Portable Contacts provider like Plaxo defined in the XRDS-Simple document used at your OpenID URL. myOpenID.com users may set a provider here.

OpenID:

Demo by JanRain