AdvertisementNew Apple Watch To Detect Abnormal HeartbeatsSeptember 12, 2018Avie SchneiderfacebookEmailJeff Williams, Apple's chief operating officer, speaks about the new Apple Watch Series 4 at the company's product-launch event in Cupertino, Calif., on Wednesday. The new Watch includes a sensor allowing users to take an electrocardiogram they can share with their doctor. (Reuters)