This post from ReadWriteWeb about
MyOpenID for Your Domain is interesting. I've looked into OpenID several times in the past but it didn't have enough immediate value to get me to do anything about it. Now that more sites are 'supporting' OpenID and with the simple to use MyOpenID provider maybe I'll set something up. It would be interesting to see decentralized profiles and authentication, it seems a shame that everyone is getting locked into a few social networks for hosting and managing personal profiles and shared contact info.