OAuth 2.0 -- What's new?

Question

Could someone enumerate the main differences between OAuth 2.0 and previous versions? Or point me to good documentation. (Not the full OAuth 2.0 Protocol draft; I don't have time to read it.)

Answer 1

Check this article for a short summary of the changes introduced with OAuth 2.0 (and reasons for the changes): http://hueniverse.com/2010/05/introducing-oauth-2-0/

Answer 2

Here's another short and readable summary: http://blog.apigee.com/detail/oauth_differences/

(To sum up, more simplicity is what's new.)