Before the YAPS project with its yellow-jacketed couriers, an embassy or a company would have to deliver a letter or a bill using its own drivers to ensure the mail reached its recipient.
Pre projekta YAPS, sa svojim kuririma u zutim jaknama, ambasade ili kompanije morale su da isporučuju pisma ili račune preko svojih vozača kako bi bile sigurne da je posta došla do primaoca.