'Empathetic technology': Can devices know what you're feeling?

Our smart devices may soon know how we are feeling even before we do.

With approximately 39 million people in the United States currently owning a smart speaker, technology that caters to our needs is more and more ubiquitous, taking up ever more of our personal space.

But smart devices can do so much more than merely playing our favorite song or searching the internet when we ask them to. Smart speakers may soon be able to diagnose us or tell how we are feeling.

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