At its Mobile DevCon in New York today, Facebook took the wraps off a new SDK for iOS. This marks version 3.5 of the development kit, with the biggest news being improvements to Open Graph. While devs have been able to leverage Facebook's Open Graph for mobile products before, new APIs being release should simplify the act of tapping in to the vast repository of social data. One of the big improvements, is the creation of an Object API which removes the need to host a website with Open Graph specific tags. There's also a new native dialog for sharing content to Facebook from any ap
