Out with the old, in with the new. That was the theme of last year's iOS update, known as iOS 7, which ushered in a flat new design. Although Apple threw in some new functionality as well, it was clear the company was mainly focused on giving its mobile OS a face-lift and setting the stage for future updates -- the first of which is coming out tomorrow. iOS 8builds on last year's software with a plethora of new features, including third-party keyboards, camera controls, widgets, home automation, health and fitness tools and the ability to interact with other apps. (Yes, it's hard to believe these are just arriving on iOS.) Here's what to expect.