As of 2019, the global warehouse automation market — that is, programmable machines that pick, sort, and return goods to their shelves, as well as sensor- and AI-based tools that simplify tasks for warehouse workers — was worth about $15 billion. That number is expected to double within the next four years, with supply chain leaders in an internal Accenture survey citing warehouse automation as one of their top three priorities for digital investment. Clearly, the industry has huge growth potential. But what does this mean for the millions of workers who currently work in warehouses around the world?