News is a commodity. It can be bought, sold and traded. Journalists manufacture the news. Public relations firms manipulate the news. The audience consumes the news. Advertisers pay to place their products next to the news. News travels by word of mouth, across the Internet and other mass media. Professional associations focus on the production of news and on social science research about news. Televised news shouts at us in airport waiting rooms. News is ubiquitous.