Amazon comes for Fitbit's crown with new fitness wearable that can analyse your emotions

Your Amazon Alexa probably knows a lot about you from the types of food you like to order, what time you wake up in the morning, and the music you like to blast when making dinner.Amazon's new gadget takes this ability to learn about you to a new level. The Amazon Halo, a new fitness wearable, has a feature called Tone which uses machine learning to analyse the energy and positivity in the wearer's voice so they can understand how they sound to others.
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