We've been working with people with spinal chord injuries (SCI) and ALS for over a year now, trying to help them in areas of escape, entertainment and rehab. In all of these areas, owing to restricted body movement, we've been exploring alternatives for selection and virtual movement.
Recently, our CEO Jeff Rayner got asked about his perspective on what's available for a user's son who has spinal muscular atrophy. Jeff posted his answer on Quora and you can read it here
https://qr.ae/TeNfak