Yes, Casio's Ring Watch is a real watch you wear on your finger, not your wrist. It's as mad as it sounds, and I've been wearing it.

Now Samsung says it’s going to do the same for blood glucose monitoring and saying that would be a huge deal is a massive ...

Get up to $250 of trade-in credit toward Samsung's great fitness wearable and another $80 credit toward a new Galaxy Phone, Watch, or Buds.