Lot's of activity in the OpenID and OAuth space recently. Both OAuth and OpenID have suffered from bad user experience, bad developer experience and low adoption. Now they're in the process of re-invention and folks from both Google and Facebook are involved. Here's my reading list so far on the topic:
Dan Yoder's 10 reasons are all good ones, but I'm still on Facebook. My take: if you assume that *everything* you do and share on Facebook is public, and you know how to hide the annoying games, then Facebook ain't so bad.
Dan Yoder: While social networking is a fun new application category enjoying remarkable growth, Facebook isn't the only game in town. I don't like their application nor how they do business and so I've made my choice to use other providers. And so can you.Read more...
Some reading on Facebook and enterprise social software from my del.icio.us bookmarks collection: