And yet, is it strange that this 24-7 screenless, lightweight tracker with a built-in coach makes me think of smart glasses? Of course it does, you say. Scott, you think about smart glasses all the time. And especially now, since Google is expected to launch a full line of smart glasses from its eyewear partners sometime this year. We'll hear more about it at the Google I/O developer conference in just a few days. AI-powered tech and smart devices are pressing up against every core activity in our lives. Wh ...