China is mining data from workers' brains to spot depressed employees

China is monitoring the brain activity of employees in its factories, state-owned enterprises and military on an'industrial scale'. The technology works by placing wireless sensors in workers' hats or caps that when combined with artificial intelligence can spot workplace rage, anxiety or depression. Employers use this'emotional surveillance technology' to boost productivity and profits by tweaking workflows, including employee placement and break lengths. China is monitoring the brain activity of employees in its state-run firms. The technology works by placing wireless sensors in workers' hats that when combined with AI can spot workplace anxiety or depression.