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Every day, Lina wore a ring that continually monitored her heart rate, sleep quality, and activity levels. Most evenings, she excitedly examined its data.
“It’s amazing. It changed my life,” she told anyone who asked. “You should totally get one!”
Jeron? He was a different story.
He, too, used a device to track his sleep. But the more his smartwatch revealed, the more he tossed and turned.
Lina and Jeron are among many people who use devices to track weight, body fat, running speed, steps, calories burned, calories consumed, heart rate, body temperature, respiratory rate, brain waves, and more.
Thanks to modern technology, we can…