I've always wanted to like openID, FOAF, etc., etc. - but failed. After reading about it for 2 minutes, I <3 XAuth. It focuses on a single use case, and it work

I've always wanted to like openID, FOAF, etc., etc. - but failed. After reading about it for 2 minutes, I <3 XAuth. It focuses on a single use case, and it works transparently to users. That it doesn't require actually doing anything gives me confidence that it can take off. What a nifty hack.