Apple watchOS 5 focuses on fitness and Siri

The Apple Watch is about to get another big tune-up, and it won't surprise you to hear that the focus is on fitness. Apple has unveiled watchOS 5, and there's a slew of updates for more competitive types. There's now automatic workout detection -- not a new feature on smartwatches, but helpful if you've ever forgotten to tap your watch before starting a run. You'll also have week-long competitions with friends, hiking and yoga workouts, a rolling mile pace and cadence (steps per minute) tracking. Siri sees some important improvements as well.