The document provides a brief history of journalism, noting that while it has included "bloid trash" and "slimy sensationalists," it is also full of heroes who risk their lives to tell important stories. It traces the evolution of how news has been communicated over centuries, from clay tablets and handwritten newsletters to modern newspapers, radio, television, and the internet. The history of journalism is viewed by some as a story of technological progress, while others see it as a specialized form of expression or a struggle for free speech.