Apple doesn’t expect all of its customers to come into a (not always) near Apple Store to learn how to take a photo with their iPhones or get the most from their Apple Watch. They’ve got quite a supply of how-to videos available thru the Apple Support app or at http://www.apple.com/support. Here’s a recent example on the fitness assistance offered by the watch.
https://9to5mac.com/2019/03/23/apple-watch-how-to-fitness-videos/
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