Wikipedia comes in many languages, so ultimately they require the mapping system to display labels based on the language of the user. This can be complicated -

Wikipedia comes in many languages, so ultimately they require the mapping system to display labels based on the language of the user. This can be complicated - imagine a wiki page about Paris France, translated into 40 or so languages each with their own high performant, cached map served from the same system. Wikimedia maps will be beyond awesome in a few years!