Apple has added new Tips and Tricks section for iPhone to their pages today and it is showing users how to use apps like FaceTime, Maps, Find My iPhone, Mail, Safari, AirPlay, Settings and others. If you are interested, you can check out the link here. In the future, you can go to Apple Website and click iPhone and Tips and Tricks can be found at the bottom.

Source: Tips and Tricks for iPhone 5s, iPhone 5c and iPhone 4s