Everything is “smart” these days, it seems, especially when it comes to gadgets designed to help people improve their health and boost fitness levels. Smart mirrors and body scanners, smart running socks, a smart vest, smart drinking cups, smart sleeves and smart sleep masks are all now available, or will be soon. Many of these Internet of Things things are wearables — except for the “naked 3D” full-body mirror, of course — while others are designed to be carried in a pocket or clipped to a belt or bra.

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