Excellent recall--I had almost entirely forgotten about ".NET Passport," one of Microsoft's many premature plays at being an identity provider. This certainly

Excellent recall--I had almost entirely forgotten about ".NET Passport," one of Microsoft's many premature plays at being an identity provider. This certainly added to confusion at the time about .NET's actual form... something to do with XML, or web services? And an awkward new ORM that will definitely not become well-loathed in near-record time?