"For this project, I particularly looked at the things that those children could do instead of what they couldn’t."
In Human Centered Design from PechaKucha Night Shanghai Vol. 26, Bas van Hoeve explains what inspires him when he's designing: people. He doesn't design just to create something nice or beautiful; he hopes his products actually help people. Don't just focus on the best paying customers, also pay attention to those most in need of specialized design.