An example being in your recent pod with nostr:nprofile1qy88wumn8ghj7mn0wvhxcmmv9uq32amnwvaz7tmjv4kxz7fwv3sk6atn9e5k7tcqyprpyha0h8j4fx4vdfu284jmkp74hytu6xth35zrnslepnwlglgmk3hl93d and you were talking about how switchboards were never private, ie early telephone literally had someone listening, vs spies highlighting a word in a newspaper

Why did people do that? And whats relevant today?