OpenID is Snowballing

More people are jumping on the OpenID bandwagon, the latest being MySpace:

BBC: MySpace signs up to OpenID scheme

Good, bad, or indifferent, OpenID is winning the mindspace battle. If something better comes along, it's going to be fighting an uphill battle!

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But, it's a dirty snowball

Reading further on the topic, it seems that a bunch of the Big Providers are happy to PROVIDE OpenID to other, lesser systems -- but are not willing to honor the OpenID credentials from other sites.  Which is pretty useless -- and defeats the whole purpose of OpenID.