Wearable health tech might be Tim Cook’s greatest legacy

Apple's Apple Watch has defined the modern wearable industry, introducing FDA-cleared digital health screening features such as atrial fibrillation, hypertension, and sleep apnea detection. The device can also call emergency services in case of a car crash or fall. Apple's early gamble on the Watch as a high-end fashion piece did not stick, but it has since become a crucial product in the company's lineup, credited with saving lives through its health features.