Amazon wants to track your fitness, sleep, body fat and emotions

<p>From the world of new gadgets, today a look at Amazon’s new Halo, a wearable wrist-device that tracks your fitness, sleep, body fat and even your emotions. Think carefully before you hit "buy."</p> <p>Learn more about your ad choices. Visit <a href= "https://megaphone.fm/adchoices">megaphone.fm/adchoices</a></p>