Japan supermarket chain uses AI to gauge staff smiles, speech tones in quality service pushJapanese supermarket chain AEON has adopted an artificial intelligence (AI) system to assess and standardise its employees’ smiles, renewing the debate about workplace harassment.On July 1, the national brand announced it had become the world’s first company to promote a smile-gauging AI system, which it is using across its 240 shops around the country.Called “Mr Smile”, it was developed by the Japanese te...