Audio omnipresence Today you can hear radio broadcasts wherever you go, and listening to them has evolved from family groups gathering around the radio at home in the 1950s to individuals listening to Walkmans today.
現在人走到哪裡，聽到哪裡，聽收音機已經從五十年代，家家戶戶「看」收音機、聽廣播劇的集體行為，演變成「戴起耳機」的個人化行為。