While the wearable market hasn't exploded as many manufacturers had hoped, it is definitely popular for fitness. Although accuracy is sometimes in question, these devices can help people count steps, monitor heart rate, and more. It is not magic, however -- you must put in the effort to get in shape. In other words, the wearable can't do the exercise for you; trust me, I know... One of the most popular fitness wearable brands is Fitbit, and today, its devices are getting even better. You see, Microsoft's virtual assistant, Cortana, can now work bidirectionally with a Fitbit account. You can ask the assistant for…
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