Have you ever watched in amazement as a visually impaired person nimbly maneuvers their way through a crowded subway station? Well, some thoughtful innovations are being developed to enable people with low vision to navigate the world with greater ease. This week on Sea Change Radio, we speak to the founder and CEO of Waymap, Tom Pey, about his start-up company’s breakthrough navigation technology. We discuss his company's product, look at some of the challenges that people with disabilities face, and touch upon the promise of autonomous vehicles for those without sight.