If they are old enough, I ask them if they remember how bad 8-Track tapes sounded and how the pitch changed on them when they played, and if they say yes, I say, "Well, that's a really bad case of wow, likw wowwwowww!" They get it instantly. Younger guys go, "8-track??" My usual reply to that is, "You really should be happy you never had to hear them"