Fitbit Watch vs. Apple Watch: Which Is Better?
Pedometers that count the number of steps you take each day have been around since the 1960s. But fitness tech got a real shot in the arm in 2008 when Fitbit, the first wearable fitness tracking device, hit the market.(Getty Images)Since then, Fitbit and several other companies have developed an ever-evolving array of wearable devices that are intended to quietly accompany you while keeping tabs on every physical thing you do. This constant monitoring of movement, sleep patterns and basic health data has created a whole new way to look at fitness, health and wellness. How Fitness Trackers WorkFitness trackers, like Fitbit and Apple Watch, use both sensors and algorithms to monitor your physical activity and health, explains Mary Sabat, an ACE-certified personal trainer, nutritionist and o...