Sales promotion is a promotional mix technique that uses consumer and trade promotions to boost sales. Examples of consumer sales promotions include contests, coupons, loyalty programs, cents-off deals, price-pack deals, and free-standing newspaper inserts with coupons; trade sales promotions target retailers and wholesalers with techniques like loss leaders and point-of-purchase displays. The document outlines different consumer sales promotion techniques like loyalty reward programs, cents-off deals, price-pack deals, coupons, and free-standing coupon inserts in newspapers.