Not really. AFAIU google is not using OpenID but an extension of
OpenID that is not compatible with the spec if we are to believe this
post:
On Mon, Oct 27, 2008 at 10:10 PM, Markus Lanthaler
<mark_lanthaler(a)gmx.net> wrote:
> Hi there,
>
> Microsoft just announced at the PDC that Windows Live ID becomes an
> OpenID
> Provider [1]. This will create millions of new OpenID users to the
> already
> existing ones of Yahoo, AOL, Blogger, Flickr, and so on.
>
> I can hardly wait to see my OpenID support to be integrated into
> the next
> XWiki release :-)
>
>
> Cheers,
> Markus
>
>
> [1]
http://dev.live.com/blogs/devlive/archive/2008/10/27/421.aspx