Coupon marketing is often overlooked by internet and affiliate markers. When it comes to digital products the perception is you can't use physical coupons to redeem your digital product offers.. However coupons and coupon code publishing sites have come a long way in the last decade. No longer do you require a physical coupon in order to redeem a special offer.

Of the many ways you can think outside the box with your offers, a few examples are to simply enter in a coupon code through...