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  • Luis Ferro thinks this is interesting:

The iPhone and iPad exude amazing engineering in form, fit and function. Apple engineers found all kinds of ways to squeeze maximum functionality into a very small and elegant package.

From

Cover of Beginning iPhone Development with Swift 3: Exploring the iOS SDK, Third Edition

Note

This is counter to my experience when they make sure that every iOS version has broken interfaces and functionality (instead of keeping backward compatibility and creating new interfaces for the "new toys", they just replace the interfaces and break everything - ex. iOS 7 and full screen mode created a black bar on the bottom of all old apps that where run on iOS 7).