This book is for iPhone 6s hard-die fans. Apple phone lovers must take a atleast a single look at the book. It gives a quick guide to set a Live Photo as your lockscreen, quickly switch to another app, text a response super quickly, press the keyboard to turn it into a trackpad, share photos from the All Photos view, preview a link without opening a new tab, preview recently taken photos while taking new ones, activate Siri with your voice, easily accept or decline event invites in Calendar, find the shortcut to your favorite podcast, get the restaurant info you need without typing anything, press on contact circles in Messages to call them, make darker strokes in Notes, etc.