If you stood on a busy city street corner in the early 1990s, you would not see too many people sporting black foam Sony earphones on their way to work.
::raises hand:: My walkman and then discman went everywhere with me from the moment I got my first one when I was nine. The only reason guys in suits didn't carry them more often was that wearing headphones in public was largely considered rude and unsociable until the advent of the earbud