Yes, I wonder about applications in our challenge for South Africa:
There is a huge toilet problem in the large township in Cape Town but there is also cultural barriers of using separating toilets. My good friend, local water engineer Richard Holden has designed a composting toilet many years ago:
but in spite of how much he tried, he could not convince people to use it. He has tried for a very long time so is very familiar with the social perception challenge that one practically encounters when trying to sell the idea to the public.