1. A method comprising: receiving, from a mobile video device located in an environment, the mobile video device operated by a user who is viewing locations in the environment, image data containing an image of a marker in the environment that has not been placed in the environment for electronic navigation purposes; receiving a request from the mobile video device for information that locates a place in the environment, the request generated in accordance with locations in the environment that the mobile video device is focused on as the user moves in the environment and focuses the mobile video device on locations in the environment; responsive to receiving the request, accessing a database to retrieve the requested information; generating a scaled image of the requested information based on dimensions of the environment and the location of the place in the environment; and transmitting the scaled image of the requested information that locates the place in the environment, for placement into the image of the environment on the mobile video device to generate an augmented reality image, the scaled image of the requested information changing in accordance with user movement and the locations of the environment that the mobile video device is focused on.