Fitter, happier, more productive: are wearables getting too creepy? – TechRadar

The Amazon Halo Band, announced a few days ago, is a lovely looking, lightweight fitness tracker that gathers stats on your wellbeing throughout the day. The Halo companion app then presents this all in a nicely designed app so you can spot trends and take action to improve your health and wellbeing. 
It’s also pretty creepy. Not only does the Halo track your steps, sleep patterns and activity levels (so far, so normal), it also monitors your tone of voice, tracking how you’re interacting with …

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