I started with CNET reviewing laptops in 2009. Now I explore wearable tech, VR/AR, tablets, gaming and future/emerging trends in our changing world. Other obsessions include magic, immersive theater, ...

We have seen smart rings that can pair with your smartphone or offer NFC functionality, but the dream of paying for a coffee or starting your car with a wave of the hand has remained out of reach.

Look out, Frodo — we might have a new "One Ring to rule them all." Token, a new smart ring, promises to give its wearers a chance to make mobile payments, unlock doors, and ditch their passwords — all ...