Fitbit Sense's ECG App Is Now FDA-Cleared, Just Like the Apple Watch

Late last month, Fitbit threw a Hail Mary-and pulled it off-when the wearables company unveiled its fall lineup. At the center of was a new Sense smartwatch, which among other snazzy features has the ability to take electrocardiogram readings to monitor for atrial fibrillation-pending clearance from the U.S. Food and...