Self-service machines containing electronic equipment which convert coins into vouchers redeemable for cash, dispense coupons for discounts to shoppers, and accept monetary charitable contributions; self-service kiosks which convert coins into vouchers redeemable for cash, self-service kiosks and machines which convert coins into gift cards and other stored value cards; self-service kiosks and machines which issue coupons offering discounts to shoppers, advertise brand name products to shoppers, and accept charitable donations [ ; magnetically encoded stored value cards ]