Abstract: An electronic amusement device and a method for operating the device are disclosed. The device conducts a game of chance that preferably incorporates game elements that change and expire during the game. The device performs the steps of generating and displaying a subject game element having a first class. The step of displaying includes displaying an indicia of the first class. The device further assigns a second class to the subject game element, and displays the subject game element, thereby displaying an indicia of the second class.

Abstract: A vending machine method and apparatus are disclosed for encouraging vending machine customers to review a marketing promotion or to participate in a survey while making a purchase. Customers are immediately rewarded for providing responses about about the marketing promotion that was previously presented or their preferences or opinions. The reward may be, for example, a supplementary product, a discount on the customer's current purchase or a subsequent purchase, or a rebate. The vending machine ensures that it contains sufficient currency and products to meet the requirements of all active reward offers. The vending machine ensures that buyers are committed to making a purchase, before offering a reward to a customer. Unscrupulous customers are discouraged from using repeatedly participating in a marketing promotion, merely to collect rewards or influence the results of a survey.