The document discusses the history of journalism and how technological innovations have continually changed the field over time, from scribes to newspapers to radio and television news to online news. It outlines how each new technology from the printing press to the internet led to changes in the conception of journalism. The document argues that "open source journalism," which makes journalism transparent and allows users to reuse and share news content, represents the next step in this ongoing process and the fluid evolution of journalism in response to changing social, political, economic and technological conditions.