In fact, Google runs an entirely separate maps site, ditu.google.cn, for Chinese users, which operates within the great Chinese firewall. This isn’t just a one-off concession to the party leaders in Beijing: Google maintains thirty-two different region-specific versions of its Maps tool for different countries around the world that each abide by the respective local laws. Thus on India’s version of Google Maps, for example, all of Kashmir appears as an integral and undisputed part of the country—because Indian law sees it that way.
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John Gravois, “The Agnostic Cartographer”, Washington Monthly, July/August 2010
http://www.washingtonmonthly.com/features/2010/1007.gravois.html