Despite all the technical improvements, it still boils down to a man or a woman and a microphone, playing music, sharing stories, talking about issues - communicating with an audience.
“Here's my Golden Rule for a tarnished age: Be fair with others, but keep after them until they're fair with you.”
“Public opinion is a permeating influence, and it exacts obedience to itself; it requires us to drink other men's thoughts, to speak other men's words, to follow other men's habits.”