Where do bestsellers lists come from?

How do newspapers and magazines compile their bestseller lists? The New York Times’ seems to rely more on brick-and-mortar stores, whereas USA Today’s might emphasize mass merchants and non-bookstore outlets. Since newspapers’ statistical methods are confidential, it’s hard to know for certain. The Washington Post explains how bestseller lists are born and why they don’t always agree with each other. [BugMeNot] (via)

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