Facebook SDK 3.0 for iOS - Facebook Developers(developers.facebook.com)

http://developers.facebook.com/blog/post/2012/08/07/facebook-sdk-3-0-for-ios/?fb_action_ids=10151023742393964&fb_action_types=og.likes&fb_source=other_multiline&action_object_map=%7B%2210151023742393964%22%3A10150996860952971%7D&action_type_map=%7B%2210151023742393964%22%3A%22og.likes%22%7D&action_ref_map=[]