For example, if your site’s traffic takes you beyond the limit for your chosen provider, or the provider begins placing ads on the map, Mapstraction lets you switch providers quickly and ...

More information: Manuel Morato-Moreno, Map of Tlacotalpa by Francisco Gali, 1580: An Early Example of Local Coastal Chart in Spanish America, The Cartographic Journal (2017).

Here’s an example of Harvard University’s Clery Geography map. As you can see, some of the Clery-covered buildings extend far beyond the school’s four walls.