近年来在美国企业界流行着一种新的营销手段——瞄准目标销售法。这种方法通过电话调查、直接邮寄调查表或现记录顾客购物情况等各种途径，查询哪些顾客经常购买竞争对手的产品，然后经过一番分析和筛选，给一些顾客寄送本企业的样品或购物优惠券，诱使他们改变原来的购买习惯 In recent years, a new marketing tool has popularized in American business circles - targeting the target sales law. This method through telephone surveys, direct mail questionnaires or customer records of the current record and other ways to check which customers often buy competitors’ products, and then after some analysis and screening, to some customers send samples of the business or Shopping coupons, to induce them to change the original buying habits