Sources: Simon Property, the biggest mall owner in the US, and Amazon explored turning stores before occupied by J.C. Penney and Sears into fulfillment centers (Wall Street Journal)

Wall Street Journal:
Sources: Simon Property, the biggest mall owner in the US, and Amazon explored turning stores before occupied by J.C. Penney and Sears into fulfillment centers  —  Hookup between Simon Property Group, Amazon would show how retail and logistics are converging more rapidly