Abstract
In this research, the case with the South Korea online game industry, which has succeeded in putting the user community to practical use and making to charge, is introduced. As a result of the case study, we found two methods of raising earnings in the online game industry, one method is to appeal the quality of the product and service and the other is to appeal the community. Target customer, the product concept, and the promoting methods of the community are different according which is valued; the quality of the product and service or the community. The ideal way of the strategy to obtain earnings using the power of the community is suggested.
