Charting a Landscape with Wi-Fi Signals
...Torrens wore out the patience of his friends and family, but gathered 500,000 Wi-F samples across a 12 sq km area of Salt Lake City, Utah, for his paper " Wi-Fi Geographies ," published in the 1 March 2008 issue of Annals of the Association of American Geographers. (The paper can be downloaded for a fee, but may be available through local...
