[OpenID] Google OpenID IDP is now live

[Breno de Medeiros]

On Thu, Nov 6, 2008 at 4:06 PM, Allen Tom <atom at yahoo-inc.com> wrote:
> Correct me if I'm mistaken, but if the RP can always request the user's
> Gmail address, then what's the point of issuing an RP-specific OpenID
> identifier? Can a Gmail user use their Gmail OpenID without sharing their
> email address?

Yes, if the RP does not request the email. For instance, sites might
provide anonymized services for Google users. The request for email is
visible to the user, so the user will know if the interaction is
really anonymous.

Once you consider that the URL is a never-recycled, persistent user
identifier and moreover add OAuth to the picture, you can imagine many
use cases that open up around anonymous identifiers supported via
OpenID.

>
> Allen
>
>
> Ben Laurie wrote:
>
> Apologies. We believe in directed IDs.
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--Breno

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