Why Are Daytime Dramas Called Soap Operas?

Daytime dramas are known as soap operas, but where did the moniker come from, and when did it happen?

The origin of the soap opera can be traced back to short, daytime serial dramas that took place on the radio in the 1930s. Radio executives wanted to increase ad revenue for their stations, so they began to court businesses that sold household products since the majority of people at home…