As you already know, Apple's WorldWide Developers Conference (WWDC) was yesterday. It introduced Three software additions: Mac OS Lion, iOS 5 and iCloud.
Below are three links detailing the features and highlights from yesterday's event.
...check 'em out!
engadget: Apple's iOS 5: all the details
gizmodo: WWDC: All the New Apple Stuff
gizmodo: The best of the 200 unsung features of iOS 5