Mike Hogan, the boss of ZiXXo, a start-up near San Francisco, says that he is “disrupting the existing coupon system”, dominated by companies such as Valpak and Valassis in America.

Mike Hogan，一家建立在旧金山的公司-ZiXXo的老板，说他“正在瓦解现存的优惠券系统”这个系统在美国被Valpak 和 Valassis这样的公司掌控着。

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Whatever system you use, unless you've done a coupon promotion and can simply count the number of coupons redeemed, tracking is the only way you can assess how effectively your advertising is working.

无论使用何种系统，除非您已经做了优惠券促销并可以计算出优惠券的数量，跟踪是评估广告有效性的唯一办法。

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To improve and better target potential customers, the information system can be altered to remember the devices that take advantage of the coupon.

为了更好地锁定潜在顾客，该信息系统经过改装可以用来记忆用优惠券打折消费的设备。

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Rather, we should take Warren Buffett's suggestion and bring our trade into balance with a coupon system.

WSJ: More Trade Deficits Aren't Good Policy �� Letters to the Editor

At Smashwords, up until January of this year, our algorithm for best sellers just looked at absolute downloads, but authors gamed that system by offering discounted or free books using the Smashwords coupon tool.

FORBES: Mark Coker: Indie Authors Are Underpricing Their Books