We are currently in the process of reform toward the digital era as information technology constantly advances, and to cope with the change, each industry provides products including furniture that rapidly evolves accordingly. What this leaves us is new, various products on the market, which highlighted ability to rapidly adjust to the change as major competence. In the midst of this, the development field is focusing on producing goods with affordance, more distinct and intuitive design. Cases analyzed in this study show how affordance is applied not only to product designs but our daily lives, and thus, the importance and characteristics of affordance in the modern society. Based on findings, I regarded designs that lead to intuitive understanding of functions and even unconscious use of them the cases with properly applied affordance and presented chair designs.