Microsoft rolled out an update to its Windows Azure toolkit for iOS which adds support for identity federation across Google, Yahoo, Live ID, Facebook and ADFS.



From All About Microsoft:

Included in the latest update is support for the Azure Access Control Service (ACS). According to a blog post by Wade Wegner, an Azure Technical Evangelist, this ACS support “makes it extremely easy for an Objective-C and iOS developer to leverage ACS to provide identity federation to existing identity providers (such as Live ID, Facebook, Yahoo!, Google, and ADFS,” or Active Directory Federation Services.”

  Microsoft updates Azure tookit for Apple's iOS to support federation with Facebook, Google and more