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Commercial radio and TV stations sell time. Companies who want you to buy something

from them pay the radio and TV stations for time, in increments of 10, 20, 30, and 60 seconds,

and use that time to broadcast their messages to you, encouraging you to buy their stuff.

Those messages are called "commercial announcements", or simply "commercials".

Commercials not only 'support' radio and television, but to any successful broadcast operation,

they bring in more than the cost to keep the station going. The extra is the station's profit, and

it is the reason that the radio and TV stations are on the air. The only sources of radio and TV

programing where profit is not the reason for their existence are Public broadcasting, campus

stations, experimental stations, and illegal 'pirate' stations.

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13y ago
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Q: How are Commercial radio and television supported?
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