Glad to see you! The primary object of the Korean Social Science Data Center (KSDC) is giving service for the convenience of the user. We need accurate and high-quality information to understand and explain what is happening in the world. It is expected that the demands for such information will dramatically increase during the 21st century, the era of knowledge and information. Actually, in these days, the demand for good and accurate information is increasing from the people of various groups, such as scholars, government officials, office workers, students, and even housewives. It has cost a lot of time, effort, and expense for an individual to collect necessary data and analyze them. It is because various information-service organizations offered data in different forms, and customers needed to purchase a statistical analysis program, and users had to spend considerable time on learning how to use it. Now, for the first time in the world, the KSDC has developed a one-stop service program by which you can search high-quality standard data instantly, and get the outcome of statistical analysis immediately on the web. It became possible by the effort of the KSDC which has built a tremendous database, including international data as well as Korean data which have been produced since 1950s. This was owing to a successful combination of advanced technologies developed by several top-ranking venture capitals in Korea. Logging on the KSDC web site, anyone can easily get the information he wants, and utilize the analysis program. Even a beginner can get used to it by a few clicks. We named this analysis program "Easy-stat (e-stat)" for the reason that it offers a very easy method of analysis. KSDC promises to be prepared to accept your new ideas and respond to your inquiries immediately. Thank you very much. Sincerely, Nam-Young LEE Director of KSDC