List for people who do not own Sendero GPS, but would like to know more about it. Sendero GPS is specialized software and hardware for blind and visually impaired individuals that uses GPS along with electronic maps. This technology verbalizes all the navigation and orientation data, so a blind person can know where they are and where they need to go. It runs on a fully accessible PDA. This list will discuss the new software developments, releases of trial software and where one can come to see this technology.