A Wearable That Stops Nail Biting, Hair Pulling, and Other Habits

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The Liv Smart Bracelet is one of the first truly second-generation wearables that I’ve seen. Unveiled this week in San Francisco at the HAX hardware accelerator’s biannual demo day, Liv, from HabitAware, is designed to break bad habits by interrupting the wearer with a vibration in the midst of doing whatever it is he or she wants to stop doing.