Did you ever think about how long it took the radio business to fully utilize the FM band?
Some AM radios had FM back in the day, but nobody listened. There was nothing to listen to.
That is until these events occurred: automakers started including FM as an option for new car buyers and then as standard equipment.
And content was created.
Oh yes, and there was the overload of commercials and clutter on the AM dial making FM worth a listen. Previously, you