17 Fitness trackers will also be tracers

Your wearable will be an early-warning system telling you to self-isolate. In February, the Scripps Research Institution published a study undertaken before the pandemic showing that Fitbit heart rate info better reflected the real-time spread of flu-type illnesses than data from the US Centers for Disease Control and Prevention. In May, West Virginia University revealed that Oura ring data was 90% accurate at spotting COVID-19 three days before symptoms. The NBA has since bought 2,000 of the hoops for its players.