III. GOOGLE MAPS API
Google Maps is a web-based mapping service provided by Google which provides a slick, highly responsive visual interface built using AJAX technologies. This service has detailed street and aerial imagery data, and an open API allowing customization of the map output including the ability to add application specific data on the map (and also integration to third-party websites). Google was created the Google Maps API to allow
developers to integrate Google Maps into their websites with their own data points, and it is a free service.