OAuth 2.0 implementation

[Roy Smith]

In article <878vimhfdp.fsf at benfinney.id.au>,
 Ben Finney <ben+python at benfinney.id.au> wrote:

> Roy Smith <roy at panix.com> writes:
> 
> > In article <87haxahh51.fsf at benfinney.id.au>,
> >  Ben Finney <ben+python at benfinney.id.au> wrote:
> > > As someone who uses OpenID, what can I read about why OAuth is better?
> >
> > OpenID is for people who worry about things like how OpenID is different 
> > from OAuth.  Oauth is for people who have no idea what OAuth is and just 
> > want to be able to log into web sites using their Facebook account.
> 
> So, if I want to be free to choose an identity provider I trust, and
> it's not Facebook or Google or Twitter or other privacy-hostile
> services, how does OAuth help me do that?

It doesn't.  Well, in theory, it could, but in practice everybody's 
OAuth implementation is different enough that they don't interoperate.