The document discusses how the flow of information has changed over time from oral traditions to the modern digital age. It describes how the invention of the printing press, telegraph, television, and internet have increasingly decentralized information and broken down hierarchies by making communication more instantaneous and accessible to all people, including children, independent of adults and schools. As a result, the distinction between childhood and adulthood has reversed back closer to a time when everyone shared the same intimate social and information environment.