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Byline: B.J. Lee
Lee Hye Ryung's life revolves around the wireless Internet. During her 45-minute morning subway commute to school, the graduate student at Yonsei University in Seoul chats with her friends or plays online games through her PDA phone. She brings her laptop to every class and takes notes, searches the Internet and makes presentations with it--using Wi-Fi hotspots sprinkled around campus. The computer even comes with her on geology field trips to the remote countryside. "I have access to the Internet almost any time, anywhere," she says. "I feel insecure when I am not connected."
Lee isn't the only Seoul resident who's always online. The South Korean capital has the most extensive wireless-broadband network in the world, with more than 400,000 Wi-Fi subscribers. Wi-Fi is available in airports, hotels, government offices, libraries, banks and fast-food restaurants.
Korea Telecom started its mobile-broadband service two years ago. Its latest offering, Nespot Swing, combines conventional ...