Best tips to make you a smartwatch ninja When the Apple Watch was first announced, it was half fitness tracker, half notification device. With cellular connectivity and several software updates, the watch has become a miniature iPhone, only with a heavy dose of health and fitness features. Heck, there's even a chance that the Apple Watch Series 4, in combination with an app, can help prevent strokes. But the Apple Watch is so much more than a tool to help keep tabs on your health. You can install apps, talk to Siri just by raising your wrist, check sports scores, send messages or even triage your inbox from the tiny screen. It's pretty crazy to think about just how powerful the Apple Watch is, even if you don't use it to its full potential. Let's change that. Below you'll learn some basics, like making sure its software is up to date, how to use its walkie-talkie feature to feel like a spy and learn about