This paper offers up-to-date insights into how design principles from one condition extend to different conditions. Universal interaction and neurodiversity HCI are considered. This is important within neurodiverse populations, especially given the high rates of additional conditions that are associated with autism. Whilst the majority of autism research has involved verbal populations, the benefits of technology can extend to non-verbal populations. SSSFT - You can request a copy of this article by replying to this email. Please ensure you are clear which article you are requesting.