The Human-Computer Interaction Institute (HCII) is a research and educational center at Carnegie Mellon University focused on the design and evaluation of user interfaces and interactions between humans and computers. It aims to improve the usability and accessibility of technology through interdisciplinary research that combines computer science, design, and social sciences. HCII offers various programs, including undergraduate and graduate degrees, as well as research opportunities for students and faculty. The institute collaborates with industry partners and conducts projects that address real-world challenges, contributing to advancements in fields like artificial intelligence, virtual reality, and user experience design.