Shelley Powers has a few posts that are critical of Microsoft's InfoCard project entitled You Want We Should What? and What do you want from Digital Identity. I'm not really up to speed on all the digital identity and InfoCard discussion you can find in places like Kim Cameron's blog mainly because it bores me to tears. However one thing that struck me when reading Shelley's posts and then reading a few entries from Kim's blog is that it seemed they both were expecting different people to use the InfoCard technology.

I've found it hard to tell whether the identity folks at Microsoft expect InfoCard to mainly be used by Enterprises who need to identify people who communicate across identity domains (e.g. the way Office Communicator is used to communicate with people within an enterprise or folks using Yahoo!, MSN or AOL instant messaging tools) or whether they expect it to be used as some sort of federated single sign on system for various websites. Reading the Microsoft's Vision for an Identity Metasystem whitepaper it seems InfoCard and the "Identity Metasystem" are meant to do this and much more. My spider sense tends to tingle when I see v1 technologies that aim to solve such diverse problems in a broad sweep.

The end of the whitepaper states Passport and MSN plan to implement support for the identity metasystem as an online identity provider for MSN and its partners. Interesting, I may have to start digging into this space since it will eventually impact my day job.