Generally, the shows are organized into segments, each separated by a pause for advertisements; however, in public or non-commercial radio, music is sometimes played in place of commercials to separate the program segments.
Variations of talk radio include conservative talk, hot talk, liberal talk (increasingly known as progressive talk) and sports talk.
In addition, TV programming from talk and news outlets such as BBC, CNN, Bloomberg and Fox is now often available expanding the world of talk radio further.
Most shows are regularly hosted by a single individual, and often feature interviews with a number of different guests.
He sent Henry from New York to Los Angeles to turn KLAC into a success.
The first thing that Henry did was hire the legendary morning team of Lohman and Barkley.
Commercial all-talk stations can also be found on the FM band in many cities across the US.
These shows often rely less on political discussion and analysis than their AM counterparts, and often employ the use of pranks and "bits" for entertainment purposes.
While working for New York's WMCA in 1945, Barry Gray was bored with playing music and put a telephone receiver up to his microphone to talk with bandleader Woody Herman.