The Guide to macOS Sierra is a complete course with more than 50 video tutorials, more than 4 hours of video instruction. It begins by showing you the basics of the desktop and then goes into detail about using the Finder, iTunes, Safari, Mail, TextEdit, Preview and other basic apps. Lots of tips, tricks and techniques.
There are hundreds of keyboard shortcuts for Mac users. There are Mission Control shortcuts, Finder shortcuts, system shortcuts, application shortcuts and more. Many you can find by just looking through the menu bar for that application. You can find system ones by looking in the System Preferences under Keyboard.
iOS 10's Home app allows you to control devices like lamps, lights, thermostats, locks and other things. Setup is very easy if you are using a device that conforms to Apple's HomeKit standard. Your iOS device will quickly recognize the device without any configuration in advance. Then you can even set up schedules and actions for your devices. (more...)