As such, Google Custom Maps cannot communicate elements such as change over time as effectively as other mapping programs. While easily achieved, Google Custom Maps lack much of the functionality of programs such as ArcMap and Carto. Data from Google Custom Maps can be exported as a KML file, capturing user descriptions as well as exact coordinates.
Custom maps are easily created by adding user-defined points onto the familiar Google Maps layout.
Google’s user-created custom maps have produced a number of fascinating and bizarre guides to restaurants, public schools and even fallout shelters.