What is the case when technology knows more about us than we do? Poppy Crum studies how we show spirits — and she indicates the end of the poker face is near, as brand-new tech builds it easy to see the signals that give away how we’re feeling. In a talk and demo, she shows how “empathetic technology” can read physical signals like body temperature and the chemical structure of our breather to inform on our emotional state. For better or for worse. “If we recognize the capability of becoming technological empaths, we get this opportunity where engineering can help us bridge the feelings and cognitive segment, ” Crum says.

Read more: ted.com.