Today at the Microsoft Professional Developer Conference (PDC), the Windows LiveID team announced that anyone with a LiveID will soon be able to establish an OpenID for their LiveID. Furthermore, they have established a testing environment where you can try out LiveID’s OpenID support and an e-mail address for you to provide feedback to the team.
One feature of the OpenID 2.0 implementation that I’d like to call your attention to is that they give users a choice, on a per-relying party basis, whether to use a site-specific OpenID URL at the site for privacy reasons, or whether to use a public identifier for yourself — explicitly enabling correlation of your identity interactions on different sites. Here’s what that experience looks like in the preview release:
Read more about the preview release here.