Rapid urbanization means that the development of so-called "smart cities," is a high priority all around the world, and Korea is no exception. Earlier this Spring, I served on the international jury for the Intelligent Community Forum, based in New York, which this year named Taichung City, Taiwan as its 2013 Intelligent Community of the Year.
Smart Cities Seoul: A Case Study, published by the ITU in February of this year. It is the most complete case study of a Korean "smart city" to date and makes interesting reading. (It can be downloaded in PDF format from the ITU page or read online here via Scribd.)