And Morse code is quite efficient! https://www.johndcook.com/blog/2017/02/08/how-efficient-is-morse-code/ https://www.johndcook.com/blog/2017/02/08/how-efficie

And Morse code is quite efficient! https://www.johndcook.com/blog/2017/02/08/how-efficient-is-morse-code/ https://www.johndcook.com/blog/2017/02/08/how-efficient-is-m...