Apple on Wednesday released iOS 8 to users worldwide. As it was expected, the new mobile operating system brings lots of improvements and bug fixes. Apart from that, it is far more secured and efficient and can boast lots of new features. The most noticeable among them are the widely-rumored Health app, QuickType, the support of third-party keyboards, updated Mail, Photos, Camera and Safari and the apps like Continuity, Handoff, AirDrop, Instant Hotspot, which were previously unavailable for users.