Sites vary on what form of cashback rebates they offer their users. A subsequent innovation was "Cashback Bonus" on purchases. The first cashback credit card and the Citibank Clear Visa Mini card introduced. BeFrugal.com is an online coupon and cashback website. Many cashback sites offer users a reward for referring others to the site. It also operates ValuMax, a cashback program for fuel purchases. This last benefit, a monetary amount, is usually known as "cashback" or "cash back" reward. Lyoness will transfer the earned Cashback to the bank account registered by the Member. A cashback reward program version, "Blue Cash", quickly followed. In relation to this, cashback reward programs are also prohibited. Cashback is limited to 200 euros per day. KickBack.no is one of the largest online loyalty program and cashback site in Norway. Special offers may include; cashback on specific events, enhanced odds and comp points. It is also part of the end credits music of the film "Cashback". EPS EasyCash service is a kind of cashback service.