If your goal is to provide a service at terms your customers can afford, you have to figure out how to offer your services at price points such that your aggregated costs are lower than your aggregated revenues.
— Thulasiraj Ravilla
Whether you are talking about cardiac care or education, the fundamental question is: How do you provide it for everyone?
A simple, well-proven surgery can restore sight to millions, and something even simpler, a pair of glasses, can make millions more see.