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By Jason Snell for Tom's Guide
It’s a big time for the Apple Watch. Not only did it get its first hardware upgrade — adding GPS connectivity, waterproofing, and a brighter screen in the Apple Watch Series 2 — but it got a major update to its underlying operating system, watchOS. That means there are plenty of new opportunities to use your Apple Watch in ways you might never have known about before. Here’s a list of 21 top tips for the Apple Watch under watchOS 3.