Coupon is a voucher or a slip enabling the customer to avail a discount while purchasing a particular product. Traditionally businesses used to print and distribute coupons in volumes through newspapers and magazines. Proliferation of internet has changed all this. Now one can locate and print the desired internet coupon over the internet by visiting websites and avail the discount when the shopping is done. Manufacturers and retailers offer variety of coupons to promote their sales during lean seasons and some times to clear their old stocks.
There are basically four types of Internet coupons available online. Printable Internet coupons as name suggests can be sited online, printed at home, and exchanged at the shops for a discount. The other types are product code coupon and activated line coupons which can be only redeemed online. Product code coupons involve entering a code of alphanumeric characters during the checkout which enables them to avail certain amount of discount.
The last variety is click coupons which are transferred online to your shopping card, which avails the discount when you do shopping. User selects the coupons online and enters the grocery...