What's New in OpenID 2.0?
www.windley.com/archives/2007/12/whats_new_in_openid_20.shtml
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
OpenID 2.0 was finally release yesterday. I've put a piece up at Between the Lines on what's new in OpenID 2.0. There's some important capabilities that will move this forward in a big way.