Nerval's Lobster writes "Wikipedia, which features nearly 4 million articles in English alone, is widely considered a godsend for high school students on a tight paper deadline. But for University of Illinois researcher Kalev Leetaru, Wikipedia's volumes of crowd-sourced articles are also an enormous dataset, one he mined for insights into the history of globalization. He made use of Wikipedia's 37GB of English-language data — in particular, the evolving connections between various locations across the globe over a period of years. 'I put every coordinate on a map with a date stamp,' Leetaru told The New York Times. 'It gave me a map of how the world is connected.' You can view the time lapse/data visualization on YouTube."