Though both operating systems are set to arrive this fall, we know a lot more about iOS 7 than we do about its Mac sibling, OS X Mavericks. But with a little digging through the keynote slides and through Apple's OS X preview website, we were able to find 12 things you may not have heard or noticed about the company's next operating system.Related StoriesApple to offer iWork in the Cloud to Mac and PC users5 reasons why Mac OS X 10.9 Mavericks isn't named after a big cat
