With the novelty of smartwatches and fitness trackers having long worn off, Samsung is hoping a more discreet device can get people back into health gadgets that you wear.In a surprise announcement, the company briefly teased a smart ring at a recent event dedicated to its flashy new phones.The Galaxy Ring is described as a “powerful and accessible” gadget designed to "change the shape of future health."After foldable phones and home robots, is Samsung’s latest attempt to outdo Apple a winner? Here’s what we know about the Galaxy Ring.