 You heard Al's order. Al believes that the correct order is that the Postal Service introduced the five-digit zip code. He believes the second event in the correct order is the PG-13 rating was created. And he believes that the third event in the correct order is Sony introduces the Walkman. Our phone number, 270-780-9626. Good morning. You're on the air. What says you? I say let's go with Al.