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Amazon.com Inc. AMZN, +1.60% employees have used data about independent sellers on the company’s platform to develop competing products, a practice at odds with the company’s stated policies.
The online retailing giant has long asserted, including to Congress, that when it makes and sells its own products, it doesn’t use information it collects from the site’s individual third-party sellers—data those sellers view as proprietary.
Yet interviews with more than 20 former employees of Amazon’s private-label business and documents reviewed by The Wall Street Journal reveal that employees did just that. Such information can help Amazon decide how to price an item, which features to copy or whether to enter a product segment based on its earning potential, according to people familiar with the practice, including a current employee and some former employees who participated in it.
In one instance, Amazon employees accessed documents and data about a bestselling car-trunk organizer sold by a third-party vendor. The information included total sales, how much the vendor paid Amazon for marketing and shipping, and how much Amazon made on each sale. Amazon’s private-label arm later introduced its own car-trunk organizers.
