Why wear a special activity-tracking wristband if you can get the same features from the glasses you’ve already got on your face?
VSP Global—whose Marchon eyewear division makes and distributes glasses for brands such as Nike and Calvin Klein—is building glasses that it says can accurately track the wearer’s steps. And unlike Google Glass, the obtrusively in-your-face headgear that Google stopped selling to consumers in January, VSP’s so-called Project Genesis glasses use technology that is mostly hidden.
