The current advancement of IoT technology has accelerated the era of hyper-connectivity in our lives. This has vastly driven convergence among different fields along with the expansion of our thoughts and behaviors. However, to provide meaningful experiences, these relational expansions and unprecedented possibilities opened up by IoT need to be founded on core human values. Furthermore, harmonious integration between technology and design is also essential. Today, I would like to talk about what must be done in order to foster the IoT as a human-centered innovation and how UX design can realize the well balanced and harmonious IoT environment.