> I think platforms like Youtube and Facebook have shown the dangers of democratised mass-broadcasting. Does anyone know of any good research on the early days

> I think platforms like Youtube and Facebook have shown the dangers of democratised mass-broadcasting. Does anyone know of any good research on the early days of radio? I have a suspicion we had a similar problem before regulation due to the overcrowded airwaves. If you know of any good books that cover this era let me know please.