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Concerned about Amazon.com's low pricing of ebooks, publishers had taken measures as early as 2009 such as "windowing," a practice of delaying ebook releases to benefit sales of hardcover editions, Apple said in a filing in an ebook price-fixing lawsuit.
Amazon has been awarded a patent to create a used marketplace for ebooks, music, videos, and other digital media. Is it an attempt to further corner the ebook market? Or could it lead to a flowering of information?