This seems like basic marketing. You need to know who is interested in buying the product, why, and what kind of language they use. Microwave ovens are a grea

This seems like basic marketing. You need to know who is interested in buying the product, why, and what kind of language they use. Microwave ovens are a great example of this. They existed for quite a while, but people rejected them because of the cost and mismatched features. When makers got serious about polling people and demonstrating examples sales of honed products took off faster than any other product before then.