9 hidden iOS tricks that every iPhone user should know

Apple’s iOS has come a long way from its iPhoneOS starting point, and all of the best iPhones have built on the operating system’s initial promise. Steve Jobs demonstrated the power of the iPhone in 2007 with a huge on-stage Starbucks order, and the platform has grown year after year with each update adding new features.

Multitasking, the notification and Control Center, and even the App Store, were all added to the iPhone after its first iteration, and that rapid pace of innovation can make it hard to keep up with new features.

Source