From the hardware to the software, one of the most accurate wearables in the world just got better.      What’s New? 1.      Daytime Heart Rate: Powered by a new suite of green LED sensors. Seeing your heart rate throughout the day and in real-time help you understand how your body responds to your routines, meals, stress levels, and environment. How does an extra cup of coffee or an especially stressful period impact your heart rate? 2.      Workout Heart Rate: Powered by a new...