https://link.springer.com/article/10.1007/s12525-019-00348-9
https://www.grandviewresearch.com/industry-analysis/self-service-technology-market
Consumer Surplus in digital value
http://digamoo.free.fr/hbr1119.pdf
The secret to great health? Escaping the healthcare matrix
https://www.mckinsey.com/mhi/our-insights/adding-years-to-life-and-life-to-years