Radio programming

Radio programming is the content that is broadcast by radio stations.
The original inventors of radio, such as Nikola Tesla and Guglielmo Marconi, expected it to be used for one-on-one communication tasks where telephones and telegraphs could not be used because of the problems involved in stringing wires from one point to another, such as in ship-to-shore communications. Those inventors had no expectations whatever that radio would become a major mass entertainment and information medium earning many millions of dollars in revenues annually through commercial sponsorship. These latter uses were brought about after 1920 by business entrepreneurs such as David Sarnoff, who created the National Broadcasting Company (NBC), and William S. Paley, who built Columbia Broadcasting System (CBS). These broadcasting (as opposed to narrowcasting) business organizations began to be called networks, because they consisted of loose chains of individual stations located in various cities, all transmitting the standard overall-system supplied fare, often at synchronized agreed-upon times. Some of these stations were owned by the networks, while others were owned by independent businessmen allied with the respective networks. By selling blocks of time to advertisers, the medium was able to quickly become profitable and offer its products to listeners for free, provided they invested in a radio receiver set.


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