From Mike Jones there is this post about a Sxip proposal to combine OpenID with Information Cards. I have only given it a cursory glance so far, so I am not sure what I think yet. It does seem compelling because using Information Cards overcomes some of the issues around OpenID while still preserving the ability to do trust based on URL ownership.
What’s really interesting about this is that it doesn’t use SAML 1.1 tokens. It uses a OpenID Specific token in the RSTR. I gave it a quick try and it worked smoothly using the following token in the RSTR:
I will have to dig into this some more. It does look very interesting.