 A common feature, or unwritten rule, of talk shows is to be based on "fresh talk", that is talk that is, or at least appears to be, spontaneous,

A call-in show takes live phone calls from callers listening at home, in their cars, in their gardens, etc.Sometimes, guests are already seated but are often introduced and enter from backstage.There have been many notable talk show hosts; in many cases, the shows have made their hosts famous.