A traditional watch can look stylish, but it usually cannot track your heart rate, sleep quality or daily activity. Meanwhile, smartwatches often force users to sacrifice their favorite timepieces for health-tracking features. Now, a new wearable called HIYD aims to solve that problem. HIYD is a tiny health-tracking sensor that attaches to the back of … Continue reading HIYD Health Tracker Turns Traditional Watches Into Fitness Trackers Without Magnets or Glue