Ring toss: Why the Apple Watch activity goals need an update

Macworld
Right from the start, the Apple Watch eschewed the popularly recommended target of clocking 10,000 steps a day — and for good reason. For one thing, the 10,000 steps goal is entirely arbitrary: there’s no science behind it, and it was first chosen largely because it’s an easy number to remember.The thought was that it would make a good round number that could motivate people to become more active. But as Apple’s former vice president of fitness technologies Jay B