you exercise, where you re looking. so, your gaze direction. and the tone of your voice, as well, so, what you re saying. and from those sort of basic ingredients of your behaviour, we then determine, for example, different medical conditions that you might have or what emotion you might be displaying. this tech is currently being trialled with nhs trusts in nottinghamshire to help assess the mental health of pregnant women. humans are very bad at picking up gradual changes in their lives. this technology is objective and repeatable, and it will show you a graph, and it should improve as you start doing the treatment. do you think people are ready for al to assess their mental health? well, many people already are, yes, i m sure. i don t think everybody will want to use it. but that s ok. artificial intelligence is now finding its way into almost every aspect of our lives.