PC Magazine has created a slideshow of 30 user tips for new Apple iOS 10 version

http://www.pcmag.com/slideshow/story/347908/30-hidden-tips-for-mastering-ios-10

Apple’s iOS 10 didn’t have the smoothest of rollouts; there were some unique quirks.  In PC Labs, our analysts updated five iPhones to iOS 10 and it worked great—on four of them. At this point, you’re probably in the clear, though, and iPhone power-users will want to know exactly what’s in store. These tips cover the best new features that aren’t always obvious when first using Apple’s newest mobile OS.