With every new iPhone model, comes a new iOS. And with every new iOS update, comes awesome new features, some controversy and an ongoing conversation online. With over 478,377 tweets and counting, it’s safe to say everybody has something to say about Apple’s biggest software update to date. Bugs aside, this is not only Apple’s biggest update, it’s also their most productive one too. In case you missed them, here’s some of the best new features iOS 9 has to offer… Exit and Switch Apps Quicker Have you ever forgotten to return to an app and finish what you’re doing…