形式产品，是指核心产品借以实现的形式或目标市场对某一需求的特定满足形式。形式产品又5个特征所构成，即品质、式样、特征、商标、包装、颜色、质量、重量、体积、视觉、手感等。
产品可分为三个层次，即核心产品、形式产品、产品延伸。
Products can be divided into three levels, namely the core product, form product, product extension.
最好的广告形式可能是口碑营销。当人们将所购买的产品或服务的好处告诉他们的朋友时，口碑营销就出现了。
The best form of advertising is probably word of mouth advertising which occurs when people tell their friends about the benefits of products or services that they have purchased.
最好的广告形式可能是口口相传的广告，当人们将所购买的产品或服务的好处告诉他们的朋友时，这种广告就出现了。
The best form of advertising is probably word-of-mouth advertising which occurs when people tell their friends about the benefits of products or services that they have purchased.
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