An evening pause: Hat tip Jim Mallamace, who notes that he watched this video on his modern mobile phone.
What strikes me is how much we take this capability for granted, especially when you watch and see how “compact” the car units were. Yet, in the 1940s when this technology was first being developed the use of telephones themselves was only a few decades old. The very idea of being able to communicate instantly with anyone over long distances was still relatively new. Now it included talking to people at random locations. For the people of that time, this was exciting news harboring a bright future.