The software that powers the Apple Watch is getting an upgrade. Apple announced WatchOS 9 on Monday at its Worldwide Developers Conference, where it showcased new fitness features for runners, better sleep tracking, an app for tracking medications and new watch faces. Such features will help Apple close the gap between its smartwatches and rival devices from companies like Fitbit, Garmin and Oura as it continues to focus on health and fitness as key selling points.
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