This document provides an overview of the Tampere Unit for Computer-Human Interaction (TAUCHI) located at the University of Tampere, Finland. TAUCHI conducts interdisciplinary research on human-technology interaction across various fields including computer science, psychology, and social sciences. It describes TAUCHI's research in areas such as mobile interaction, speech recognition, and applications for healthcare, education and industry. Examples of deployed systems developed through user-centered design and pilot studies are also summarized.