Originally published in Medium OneZero, October 29, 2019 People’s faces say a lot less about their emotions than companies think. August, Amazon announced it had improved “accuracy for emotion detection” in its facial-recognition software. Not only could the technology better detect seven emotions (happy, sad, angry, surprised, disgusted, calm, and confused), the company explained, but it could for the first time detect an eighth emotion: fear. Major tech companies like Microsoft and Apple, along with startups like Kairos and Affectiva, sell similar emotion-detecting products. This relatively new service category is, by one estimate, projected to become a $25 billion industry
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