High Quality Content by WIKIPEDIA articles! Print on demand (POD) is a printing technology and business process in which new copies of a book (or other document) are not printed until an order has been received, which means books can be printed one at a time. While build to order has been an established business model in many other industries, "print on demand" developed only after digital printing began, because it was not economical to print single copies using traditional printing technology such as letterpress and offset printing.