They are now official, you can even pre-order them – Fitbit unveiled the Versa 3, Inspire 2 and the all-new Sense, Fitbit’s most advanced smartwatch yet. Fitbit Sense These are stressful times and stress is something you need to get under control. The Fitbit Sense can help you with that thanks to the new Electrodermal Activity sensor (EDA), the first sensor of its kind on a smartwatch. It measures the sweat levels on your skin – you just put your palm over the face of the watch and the EDA Scan app measure your stress levels. The watch is equipped with a wide array of other sensors...