Robbie Gonzalez of Wired reports Apple started sending recruitment emails for a research project. The leading tech company was recruiting owners of its smartwatch to participate in the Apple Heart Study—a Stanford-led investigation into the wearable’s ability to sense irregular heart rhythms. According to a recent paper in this week’s issue of the American Heart Journal, Apple and Stanford have managed to enroll an incredible number of 419,093 participants. It in fact, is the largest screening study on atrial fibrillation ever undertaken. Patient-centric, wearable device-driven trials represent a big part of the future clinical research. Follow the link to read the entire story from Mr. Gonzalez.