Have you ever looked through newspaper or magazine advertisements and seen coupons? They’re those little paper rectangles that let you pay less for certain foods, items, or services. But when was the first coupon printed? Who had the idea to advertise with sweet sweet deals? We asked historian Bart Elmore to help us find the answer.Got a question that’s limited time only? Send it to us at BrainsOn.org/contact, and we’ll bargain for an answer for you!See omnystudio.com/listener for privacy information.