The short answer is that they are likely to fulfil the same health and activity tracking as a watch, leaving your wrist free for a more fashionable or traditional timepiece.
In being able to carefully track fingers, rather than wrists, smart rings might allow technology companies to understand, model, and help improve many more activities, especially in situations where cameras and sensors are less likely to be found. Smart wedding rings could be used to transmit messages between partners – to let one of them know the other is thinking about them. For example, an interaction such as twisting the ring could make your partner’s ring vibrate.
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