In this paper, I explore the pricing of information goods related to the two
sided markets. In value controversy on information goods, no one even has
tried to think the two sided markets. By my exploring, I propose new
interpretation of the pricing unit of information goods. This is the platform. To
speak precisely, this is the right to use platform. The result of this study is
that the profit rate of the platform in two sided market is higher than that of
the firm in one sided market. For that reason, the additional problem remains
to be explained. I hope that the additional problem is solved by following-up
study.