This document discusses the evolution of knowledge and how it is created, accessed, and used. It notes that throughout history, from cave paintings to modern technology like smartphones and social media, humans have constantly sought to gain and share knowledge through various tools. Looking to the future, it speculates that knowledge will become increasingly personalized, ubiquitous, and accessible through new technologies like virtual and augmented reality, artificial intelligence, portable devices, and knowledge stored directly in the brain or blood. It encourages readers to keep pushing the boundaries of what is possible and to use emerging tools to continue advancing knowledge.