Abstract
Artificial intelligence (AI) is rapidly transforming how we work and live. One of the fastest growing areas of its development belongs to intelligent machines that can sense, read and evaluate human emotion. More commonly known by its commercial moniker, emotional AI, the technology is quickly becoming an integral layer in smart city design. Its origin traces back to the groundbreaking work of Rosalind Picard in affective computing over twenty years ago. Picard coined the term 'affective computing' to describe her development of machine intelligence that can respond to a person's psycho-physical state. Although in its early commercial stage, emotional AI is already a lucrative, 24 billion dollar industry whose profits are expected to double by 2024 (Crawford 2021). Evolving in ever greater sophistication and complexity, emotion-sensing devices are now featured in autonomous cars, classroom teaching aids, smart toys, home assistants, online conferencing, email software, advertising kiosks and billboards, fast food and drive-through menus, care robots as well as public and private security systems. Unlike other AI applications that rely on extracting data from a person's corporeal exterior, emotional AI passes into the interior and highly subjective domain of a person via biometric means. This includes the use of algorithms, biosensors, and actuators that harvest non-conscious data gleaned from someone's heartbeat, respiration rate, blood pressure, voice tone, word choice, body temperature, galvanic skin responses, head, and eye movement, and gait. More advanced affect tools incorporate state-of-the-art machine learning, big data and
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