The Halo is a $100 wrist-worn device that, among other functions, listens to your conversations so you can understand how you sound to others. And it comes with a companion app that scans your body three-dimensionally to track your progress gaining your “quarantine 15.”

Amazon is upfront about these invasive functions, which users of the Halo have to opt into using. What’s revealing is that one of tech’s biggest companies thinks consumers in 2020 might want them.