2016 was a big year for Hyperloop One as the company inched ever closer to proving its near-supersonic travel tubes work. At the same time, the business tweaked its plans, intending to become more of a platform and less of a train company. As 2017 advances, it's readying its a three-kilometer test track in North Las Vegas and pushing forward with its Global Challenge. To tell us the state of the company and what innovations we can expect, Co-founder Josh Giegel, CEO Rob Lloyd and Global Ops Chief Nick Earle joined us on the Engadget stage.