Broadcast media that transmit audio and images electronically include radio and television. Print media are static means of advertising purchased in units of area; broadcast media are dynamic means of advertising distribution purchased in units of airtime. Messages in broadcast media affect the emotions of viewers and listeners for a few moments, and then disappear. Thus, they are fundamentally different from reports in the print media, which have a long period of existence and can be re-read many times.
Broadcast media that transmit audio and images electronically include radio and television. Print media are static means of advertising purchased in units of area; broadcast media are dynamic means of advertising distribution purchased in units of airtime. Messages in broadcast media affect the emotions of viewers and listeners for a few moments, and then disappear. Thus, they are fundamentally different from reports in the print media, which have a long period of existence and can be re-read many times.