I enjoy reading Kim Cameron's blog . He has an interesting discussion of the use of identity "cards" on the Internet in a recent post . Yesterday at the OpenID Summit hosted by Yahoo, Microsoft’s Mike Jones and Ariel Gordon showed some of the work their team has been doing to help figure out how this...

This presentation by Dick Hardt is interesting and entertaining. Here is his blog. Dick is has done a lot of work in the identity space, particularly co-authoring the OpenID 2.0 specification . He has recently announced that he will be joining Microsoft .