As we enter an era where AI and sensor-driven interfaces redefine our interaction with technology, 'Interface Design' emerges as an indispensable guide for crafting physical and digital interfaces. This book transcends mere technicalities, offering a unique conceptual approach to discussing and designing user interactions - an invaluable asset for those looking to innovate in the field. Beginning with foundational principles, 'Interface Design' delves into practical case studies and explores future trends, particularly the evolving role of AI in design. It's a crucial read for product designers, engineers, software developers, students, and professionals looking to understand the nuanced balance of control in device design and the intent behind user interfaces. In essence, 'Interface Design' serves as a powerful lens to view and shape the future of interaction. It challenges and inspires a broad range of designers to create interfaces that resonate with users and adapt to the dynamic landscape of technology.