The document discusses technology and innovation. It defines technology as tools, machines, and knowledge used to solve problems or perform functions. Innovation is developing new solutions to meet needs. Recent technologies like printing, phones, and the internet have reduced barriers to global communication, though weapons have also grown more destructive. Science studies natural phenomena while engineering designs tools, and technology applies their results. Innovation sources include market changes, knowledge growth, and developing skills. The diffusion of innovations follows an S-curve as they establish popularity over time.