Apple has announced Sept 16 as the official release date for iOS 9, the next major update to its mobile operating system. Originally shown in June at the company’s Worldwide Developers Conference and then released into public beta over the summer, iOS 9 will add a number of new features including a more proactive assistant mode for Siri, Transit directions in Apple Maps, a News app for curated news feeds, split-screen multitasking for iPad users,…
