Cheap Virtual Reality behavioral therapy. There is research that show great promise in VR phobia therapy. VR seems to be quite a potent medium for modifying habitual patterns and emotional reactions. And soon it will be a popular hardware.
It would be quite interesting to research the possibility of delivering working (open source? &#x2F; mental health as an app?) behavioral therapy solutions for home VR ecosystems.
There is a possibility of a great improvement of therapy costs and the quality of life.