Apple's new iOS 7 brings hundreds of new features to iPad, iPhone and iPod touch. All these new features plus the new user interface design means there's lots to learn about iOS 7. Here, we share 30 iOS 7 tips to help you master the new mobile operating system. 1. Close running apps in multitasking One of the disadvantages of multitasking – the iPhone's ability to run apps in the background so that when you return to them they don't need to reload – is that apps can continue to use battery power and cellular data in the background. Due to this we frequently close running apps when we are finished with them. In iOS 6 this was accomplished by double pressing the home button and revealing a dock of all of the running app at the bottom of the screen. We would then press and hold an icon until a small cross appeared in the corner of the running
