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Anil Polat, a travel blogger and computer security engineer, is doing the world a solid by creating an interactive map - which he regularly updates - that reveals the Wi-Fi passwords of dozens of airports around the world.
Click on an airport on the map to see both the password and the Wi-Fi's location.
Polat, who hopes to visit every country in the world, has a blog called foXoMad, which aims to help people "travel smarter." His WiFox map is updated regularly, based on verified information submitted by travelers.