The Ultimate Guide to Health and Fitness Tech in 2020

Whether you’re counting steps or training for a triathlon, technology can help: Here’s what you need to amp up your fitness routine.

By Jill Duffy

$2.1 billion. That’s how much Google will pay for Fitbit, which has only been around since 2007, but is a star in the fitness-tech world. And it’s hardly the only one: Garmin, a company founded in 1989…