Look at that diagonal, visible in the map and hybrid views, but obviously absent in the aerial image.
OpenStreetMap is well aware of those traps, and they want to overcome the copyrighted nature of most mapping services letting users map and document roads, streets and features, with GPS devices and a web application. The resulting geographic information is open.
From every individual location in Tagzania, there's an option to open the OpenStreetMap corresponding to that point.
Precisely today, Mikel Maron, of the OpenStreetMap team (also creator of Worldkit and promoter of GeoRSS, the RSS model used by Tagzania) praises our website in his blog, mentioning the various competing social map web apps.
