Although companies often offer discount offers or gift certificates to displeased customers, there is no reason not to offer the same perks to a happy consumer. Offer a promotion that fits your company's situation. A 50-percent-off coupon might not be reasonable, but 15 percent might work. Alternatively, offer discounted goods or services to the happy customer's friends and family. Spurred by good word-of-mouth and a discount, a procession of new customers just might be in the offing.