[OpenID] Facebook support for OpenID. Where?

[SitG Admin]

>I'm looking forward to a future Facebook where email address is 
>optional, and it comes automatically with OpenID if I say it should 
>while logging in.

I'm hoping they'll provide services (perhaps messaging to their 
users?) as a RP, so OpenID will be useful there for more than just 
prefilling registration forms; I'm hoping for a future Facebook that 
allows OpenID users to interact on Facebook without surrendering 
their full legal name.

-Shade