The study shows just how pervasive emotion-monitoring could become.
The signals were then analyzed using AI.
But these methods can be unreliable, as they dont always capture an individuals internal emotions.

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Researchers are increasingly looking towards “invisible” signals, such as ECG, to understand emotions.
Using a combination of AI and radio signal could be even more effective, the researchers said.
Companies Are Using AI to Monitor Your Feelings
Observers say AI is already predicting human behavior.

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AI is helping companies predict customer intent and provide personalized marketing with customized product recommendations, Bertram said.
Being able to detect emotions using wireless systems is a topic of increasing interest for researchers.
AI is likely to be watching our emotions even more in the future, experts say.