A startup in California is trying to use our obsession with the technology in our pockets to treat depression. When a patient installs the startup’s app, it monitors things like the way the person types, taps, scrolls while using other apps. These seemingly mundane interactions with your phone can offer surprisingly important clues to your mental health. For instance, it might reveal that someone recovering from depression might relapse soon. Have a look here to see how this app can discover as much about your mental health as a psychological test.