No, it’s not a map visu­al­iza­tion — it’s a map­ping visualization.

This gor­geous video illus­trates all the edits made to OpenStreetMap over the past year. Since all the data on OpenStreetMap is user-contributed (like Wikipedia), you can just pic­ture OSM users all over the world dri­ving around with their GPS devices, upload­ing new data to the site. (Try watch­ing it full-screen in HD.)