h ACM/IEEE International conference on Human-Robot Interaction (HRI2010) was held in Osaka, Japan from 2nd to 5th of May 2010. Professors and research students(prof. Myung-suk Kim, Yunkyung Kim, Jinyoung Jung) of id KAIST participated in poster exhibition. They presented posters titled `Effects of Intergroup Relations on People`s Acceptance of Robots` and `Application of Unexpectedness to the Behavioral Design of an Entertainment Robot`. HRI conference seeks to showcase the very best research in human-robot interaction with roots in robotics, psychology, cognitive science, HCI, human factors, artificial intelligence, organizational behavior, anthropology, and many other fields.