In the network marketing, there are similar marketing techniques. For example, the rating system on auction sites uses the opinions of most buyers to judge the reliability of sellers. Or everyone common discussion area, BBS and other places, someone will recommend a product or a store. For example, blogs, often people share delicious shops or good-use items, these can be considered word-of-mouth marketing. If luck, by a well-known writer's favor, willing to strongly recommend on the network, that want to burst red overnight is not impossible.
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