This lecture explores the history of Human-Computer Interaction, focusing on the evolution from Eniac to modern laptops. The future of HCI is predicted to involve natural interaction through gesture, language, gaze, and brain interfaces, as well as multimodal interfaces combining various input modes. The emergence of extreme devices like large displays and invisible interactions is anticipated, along with advancements in voice technology and emotional recognition. The importance of software design in enabling natural language interfaces and AI-driven interactions is highlighted, emphasizing the significance of understanding user needs and innovating in HCI hardware and software.