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NetworkLocation brings WiFi positioning to the Mac - tuaw.com
http://news.google.com/news/url?sa=T&ct=us/8-0&fd=R&url=http://www.tuaw.com/2008/09/11/networklocation-brings-wifi-positioning-to-the-mac/&cid=0&ei=FWTLSK6AHZS8-wHmvtjSBA&usg=AFQjCNEl7uDbtK1ce2e0lyeYEEgFgdbjYQ