Open source and Lead Users are recurring ideas in effective NSD. I was interested to read about how an organization (goods-designing) is using both techniques for the good of people with missing limbs…
An interesting article in Leatherneck.com (citing Scientific American) discusses how a small organization is advancing design in prosthetic limbs, overcoming the inertia in a too-small market served by too-few firms. Their approach combines open source and lead users.
The article is here:
ProfessorGary on Innovation and Marketing 