After Apple ’s Worldwide Developers Conference last week, everyone was talking about new hardware. The company introduced its new HomePod speaker, a competitor to Amazon’s Echo, and unveiled a new iMac Pro, along with upgraded iMacs and MacBooks. The company also announced an update to its mobile operating system — the one that powers the millions of iPhones and iPads that have become a common part of everyday life for many people. Apple will roll out iOS 11 this fall, with a host of new features. What are they? Let’s take a look. ‘Do Not Disturb While Driving’