As shown in Figure 11, select the requirement text in the Vision document (we chose the text for the first feature outlined in the Product Features section).

如图11所示，选择Vision文档中的需求文本(我们选择“产品特性”一节中描述的第一个特性的文本)。

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You might be surprised how close in construct a PRD (product requirement document) is to a creative brief.

FORBES: Advertising as an App