A dedicated personal GPS device utilizes the GPS network to pinpoint a person's position on earth and nearby points of interest and then can direct them to their destination with recorded voice commands, this is useful for the people who travel/walk a lot. Visually impaired people can encode specific important information, everything from sidewalk
issues to low hanging beaches also points of interest such as local restaurants. Afterward, they can also create specific walking routes. Examples include:
Victor Reader Trek