Do you think you really know what Coupon codes are?
Initially, a coupon was a slip of paper that you could use only once
. The store keeper or product provider would take the coupon and give you the product or discount in exchange. A coupon code, however, can be used many times. To avoid this, coupon codes are programmed to expire very quickly. You can only use it a few times, or up to a previously specified date usually 3 to 5 days away. This way, the service provider is protected from excessive use, which can result in loss.
Do you think you really know what Coupon codes are?