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Here's a relevant Reddit comment on Sears and Amazon: https://np.reddit.com/r/todayilearned/comments/4hn9hh/til_in_order_to_stand_out_from_competing_catalogs/d2

• mgbmtl 10y ago
  That comment/summary makes a good point about Walmart. Also not mentioned, is growing wealth disparity / shrinking middle class...