first look at the three mode key: Taobao shop is a pure trading relationship, the face of direct customers, the success rate depends on the product, customer service; Amoy promotion is the intermediary, the intermediary life is prestige, promotion is not only the product, is the credibility of the establishment, from the sale of this artistic point of view to cultivate the emotional foundation than the trade relations; site has the advantage of both of these two functions, to provide interactive applications. Look at the similarities: three patterns require active traffic to maintain success rates. "Active" traffic means the amount of traffic that must be created and maintained by itself. Once not maintained, the flow will be significantly reduced or even not. passive traffic is just the opposite. It can automatically generate traffic without maintenance or very little maintenance, and has an expansion mechanism.