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First, consider the history of the product. A product with longevity has an advantage. If the daughter recognizes her mother's brand on the shelf, she is probably willing to try it herself. If a product sells consistently over the years, fighting off its considerable competition, somebody must like it. However, if the product is inexpensive, it might not be clear whether the product has persevered because of quality or low price. The product may be ineffective and still successful.
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