Picture in Picture mode is one of the best features of iOS 9. On iPads, it lets you continue to watch a video from one app (say, Netflix) in the corner of your screen, even while you’re browsing a webpage, reading your email, and so on.
A lot of cool video apps already support Picture in Picture mode, but curiously, Google’s YouTube app isn’t one of them. But if you want to watch YouTube in PiP mode, there’s another app you can try.
So you’re watching a TV show or movie on your iPad and you hear the ding that means you just got a new email. You could double press on the Home button to bring up the multitasking bar and swipe over to your Mail app, but why?
One of the cool gosh-wow things of iOS 9 on a newer iPad is the picture-in-picture multitasking feature, which means you can switch over to any app while you continue watching that video.