Trekker - HumanWare assistive technologies for vision: "A GPS system for the Blind and visually impaired A revolutionary system that uses GPS and digital maps to help blind persons find their way in urban and rural areas. Trekker users can pinpoint exactly where they are, learn about area attractions, and find out how to get to specific destinations. GPS lets them know their location, anywhere in the world, with continually growing precision. Fitting in the palm of the hand, Trekker offers the visually impaired greater freedom, raising their confidence in their ability to travel near or far, for business or pleasure. It also helps them access and enjoy the most valuable and interesting opportunities their surroundings have to offer."