Through learning about Steve Jobs, Joy Mountford, and the evolution of the Graphical User Interface (GUI), I have gained a deeper understanding of the history and development of graphical user interfaces. In particular, Jobs’ visit to PARC and Mountford’s work underscore the power of innovation and the importance of user interface design. These stories emphasize that, regardless of the era, user interfaces should be user-friendly, intuitive, and easy to operate. Steve Jobs was an outstanding innovator who played a pivotal role in the development of GUI by introducing concepts like the mouse, windows, and bitmap graphics in Apple’s Macintosh computer, laying the foundation for modern computer interfaces. Joy Mountford, on the other hand, emphasized the micro-level aspects of user interface design, highlighting the critical impact of finer details on the user experience. The work of Steve Jobs and Joy Mountford illustrates that interaction design is not just about technology and aesthetics but also about bridging the gap between users and technology. Whether focusing on the bigger picture or the finer details, it all serves the purpose of better meeting user needs and delivering an exceptional user experience.