In pictures: Wearables at the Rio 2016 Olympics

See the gadgets athletes are using at the Rio OlympicsImage by IOC/David Burnett/ContactThe 2016 Rio Olympics is finally getting underway and there'll be no shortage of tech at this year's event. Athletes use all kinds of gadgets to help them train and stay fit, from heads-up displays used by cyclists to jump trackers worn by the volleyball team. Here's the a few of the gadgets that have made it to Rio. To read this article in full or to leave a comment, please click here