The Cake Test
Ivan Sanchez: "A set of geodata, or a map, is libre only if somebody can give you a cake with that map on top, as a present. Cakes are empirical proof that most the data in most SDIs cannot be used freely, because of the licensing terms of the SDIs."
Tags: data gnu cake Cake test open openstreetmap opengeodata geodata Data libre Openstreetmap license stevecoast