This might begin a useful discussion of the identity-authentication distinction and how it should inform web development projects. I'm voting it up in the hope

This might begin a useful discussion of the identity-authentication distinction and how it should inform web development projects. I'm voting it up in the hopes that people more in the know will update this Microsoft perspective (the article is dated February 2006). I'm a noob on such issues. Maybe some YHackers would like to link to some 2009-ish offerings about it?