Fitbit's updated smartwatch OS provides more fitness info at a glance
 

You clearly buy a Fitbit smartwatch for its fitness tracking, and the company wants to be sure you wring the most out of that tentpole feature. It just released a Fitbit OS 3.0 update for the Ionic and Versa that provides both more fitness info and...

https://www.engadget.com/2018/12/17/fitbit-os-3/