Walmart’s relentless march to automation is coming for the late-night cleaning crew
Walmart has over 4,600 stores in the US. Between its Supercenters (187,000 sq ft on average), Discount Stores (104,000 sq ft), Neighborhood Markets (42,000 sq ft), and Sam’s Clubs (134,000 sq ft), that’s a lot of shopping aisles to keep clean. That might be why the US’s largest private-sector employer is testing out self-driving mechanical…