Thousands of census workers in Brazil are using GPS-enabled smartphones to gather local information, doing away with traditional pen-and-paper tools entirely.
The country’s 2010 census, which launched on Aug. 1, is the world’s first census undertaken solely with digital tools.
Using off-the-shelf smartphones and laptops running custom software, the census-takers are visiting every household in the country and tagging the responses with GPS co-ordinates to get a better idea of where everyone lives.
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