Summary
Mark Graham and the team at the Oxford Internet Institute (who've mapped zombies and every geotagged picture on Flickr) decided to find out as part of their research into the state of the internet - and then break it down by different languages.
Description
Mark Graham looked at Wikipedia in the Middle East, North Africa, and East Africa in the November 2011 versions of the Arabic, Egyptian Arabic, English, French. Interestingly, this doesn't work well on one map - largely because articles about the same geotagged place are often reproduced in other languages, too. Instead, the world is split in different ways.
So, Graham and and the team at the Oxford Internet Institute took on English Wikipedia. According to Graham, this encyclopedia is by far the largest, and currently hosts almost 700,000 geotagged articles.
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Posted by Samuel Bennett