Philadelphia Inquirer: The “secondary market” for clothes and other items returned to U.S. stores and shippers, plus unsold items taken off store or warehouse shelves by managers or manufacturers in favor of new products, surged to an estimated $1 trillion last year, from about $400 billion in 2017, according to Tony Sciarrotta, who runs the Reverse Logistics Association, an Atlanta-based industry group, citing data collected by Zac Rogers of Colorado State University.

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