Judging by the number of digital health wearables at CES this year, the industry expects all of us to flaunt at least one of them. Increasingly the question is becoming which, not whether. While social media companies compete for your attention, wearable vendors are competing for space on your wrist (or now, in your ear or on your finger). So far, there is no “One Ring (or watch or earbud) To Rule Them All.” The dozens of innovative products divide up based on what consumers want most out of their wearable devices. We’ve picked through the hundreds (yes, hundreds) on display at CES this year to give you our thoughts on some of the most unique and interesting.