Whether voice assistant, call center software or surveillance camera: Algorithms can use voice or facial expressions to recognize - and influence - people's emotional state.
She answers questions about soccer results, reads out recipes or tells jokes: Amazon's language assistant Alexa has become a roommate in millions of German households, with whom people talk as a matter of course. So far, Alexa has sounded pretty uninvolved emotionally. But if Amazon has her way, she will put more emotion into her voice in the future - and even know how the emotions of her conversation partners are. A year ago, the developers at Amazon
