The Internet is moving to a shopping center near you.

In Fort Wayne, Ind., a vacated Target store is about to be home to rows of computer servers, network routers and Ethernet cables courtesy of a local data-center operator. In Jackson, Miss., a former McRae’s department store will get the same treatment next year. And one quadrant of the Marley Station Mall south of Baltimore is already occupied by a data-center company that last year offered to buy out the rest of the building.

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