Products and processes for promoting multiple transactions at a retail establishment

1. A method comprising:

receiving, via a point-of-sale terminal that is not a vending machine, an indication of a set of food products which a customer desires to purchase;

offering, via a point-of-sale terminal, at least one food product to the customer; receiving, via the point-of-sale terminal, an acceptance of the offer;

receiving payment for the product;

generating data which defines at least one food product; generating a voucher identifier;

associating the generated data with the voucher identifier;

printing on a paper substrate indicia that represents at least one of the generated data and the voucher identifier; providing the paper substrate to the customer;

receiving, from the customer, the paper substrate via a vending machine that is not the point-of-sale terminal, but that is located proximate to the point-of-sale terminal; in which the step of receiving the paper substrate is performed after the step of receiving the acceptance of the offer; determining, from the paper substrate, the data which defines the at least one food product;

receiving, by the vending machine and from the customer, a selection of a food product; comparing the selected food product with the at least one food product defined by the data; and dispensing, via the vending machine, the unit of the selected food product.

2. A method, comprising:

receiving, via a point-of-sale terminal that is not a vending machine, an indication of a set of products that a customer desires to purchase;

offering, via the point-of-sale terminal, a product to the customer, wherein the offered product is determined by the point-of-sale terminal based on the indication of the set of products, and wherein the offer is for the purchase of a unit of the offered product at a price that is less than a retail price that the unit of the product may otherwise be purchased for at a vending machine;

receiving, via the point-of-sale terminal, an indication of an acceptance of the offer;

providing, via the point-of-sale terminal, a voucher comprising an indication of the accepted product;

receiving, via the vending machine, the voucher;

determining, via the vending machine and based on the indication of the product from the voucher, the product; and

dispensing, via the vending machine, a unit of the product.

3. The method of claim 2 , wherein the offered and accepted product comprises a category of products defined by a plurality of products, the indication of the product by the voucher comprises an indication of the plurality of products, and the determining of the product by the vending machine comprises a determination of the plurality of products, further comprising:

receiving, by the vending machine, an indication of a selection of one of the plurality of products, wherein the unit of the product dispensed comprises a unit of the selected one of the plurality of products.

4. The method of claim 3 , wherein the voucher comprises a token that visually indicates the category of products.

5. The method of claim 2 , wherein the offered product is determined based at least in part on a perishability of the offered product.

6. The method of claim 2 , wherein the voucher comprises a redemption voucher.

7. A method, comprising:

facilitating, at a point-of-sale terminal that is not a vending machine, a purchase of a first product by a customer;

providing, in response to the purchase of the first product by the customer and via the point-of-sale terminal, a customer feedback card;

receiving the customer feedback card at a vending machine;

determining, after the receiving and by the vending machine, that one or more questions presented on the customer feedback card have been answered;

determining, by the vending machine, a second product associated with the customer feedback card; and

dispensing, by the vending machine, the determined second product to the customer.

8. The method of claim 7 , wherein the second product comprises a free unit of the second product that is normally offered for sale via the vending machine.