Amazon now fields more than one million robots in its warehouses and says parity with its human headcount is coming soon, according to The Wall Street Journal. Roughly 75% of the e-commerce giant’s global deliveries already involve a robot somewhere along the line, the Journal reported, from wheeled Kiva droids that shuttle shelves to the new Vulcan bot that can “feel” its way through cluttered bins. Average staffing has fallen to about 670 employees per facility, its lowest in 16 years, even...