On the radio from the 1920s History of advertising

advertisement live radio broadcast, sponsored milk company , published in los angeles times on may 6, 1930

in 1920s, first radio stations established radio equipment manufacturers , retailers offered programs in order sell more radios consumers. madison avenue on recognized importance of radio new advertising medium. advertising provided major funding stations. united states, never had licensing fee set users. great britain use mandatory fee on set owners fund british broadcasting corporation, day operates without commercials or advertising. however, government permitted commercial television in 1954 , commercial radio in 1972.

public service advertising, non-commercial advertising, public interest advertising, cause marketing, , social marketing different terms (or aspects of) use of sophisticated advertising , marketing communications techniques (generally associated commercial enterprise) on behalf of non-commercial, public interest issues , initiatives.

in united states, granting of television , radio licenses fcc contingent upon station broadcasting amount of public service advertising. meet these requirements, many broadcast stations in america air bulk of required public service announcements during late night or morning when smallest percentage of viewers watching, leaving more day , prime time commercial slots available high-paying advertisers.

public service advertising in united states reached height during world wars. during wwii president roosevelt commissioned creation of war advertising council (now known ad council) united states largest developer of psa campaigns on behalf of government agencies , non-profit organizations, including longest-running public service campaign, smokey bear.