I haven't worked with OAuth 2.0 yet, but I've been meaning to take a look at it with Facebook's update. However in Ruby/Rails OAuth isn't that bad using http:/

I haven't worked with OAuth 2.0 yet, but I've been meaning to take a look at it with Facebook's update. However in Ruby/Rails OAuth isn't that bad using http://twitter.rubyforge.org/ http://twitter.rubyforge.org/ . And aside from a couple hiccups, I haven't had any problems with http://code.google.com/p/oauthconsumer/wiki/UsingOAuthConsumer http://code.google.com/p/oauthconsumer/wiki/UsingOAuthConsum... on iPhone/iPad (I'm using the Browser redirect and re-launching the application from a custom application protocol).