We've already seen rings that unlock doors and mobile devices, show the time, act as a mouse or display notifications from a connected mobile device, but, like the Fin, the Ring from California-based ...
Jealous of Harry Potter and his awesome magic wand, but would prefer it if you had a more high tech version? The Nod ring could be for you. Slip it on your finger, pick up your wand, and you suddenly ...
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