Dick Hardt wrote: > check out > http://openid.net/specs/openid-attribute-properties-list-1_0-01.html Ooh, yuk: http://openid.net/schema/contact/web/Linkedin Surely: http://openid.net/schema/contact/web/com.linkedin ? That makes for an infinitely extendable namespace, rather than hard-coding the names of the current favourite Web 2.0 sites. Gerv