Abstract
We are focusing on the design outcome that will be used to create a situation in society. The goal is explore the mechanism and transition subject to the user from the designer. In this paper, we discuss about our design outcome "Expression Nebula" and implementation process in society. "Expression Nebula" is a participatory platform where visitor of event or exhibition in museum is able to enjoy own expression. We reflect one case of the practice and described the stakeholder. From that process , we found the problem for social implementation. It is to externalize the knowing of operation of method and tool.
