Mostly, grocery and drug stores offer e-coupon services in loyalty program events.
Even though there are still traditional coupons for daily must-have items such as diapers, detergents and toothpaste, e-coupons are actively issued in services like amusement parks, performances, restaurants and travel agencies.
They make the users to purchase the product as soon as possible with an offered discount whose value is about to decrease from the date of the download.
[3] E-coupons have not been fully exploited today because of lack of techniques to tackle the distribution.
It is essential to meet the requirements of the e-coupon system so as to achieve security and efficiency in management.