>Ideally you create a business model that lets you get your margin from the rich countries and the middle income countries, or through tiering customers in deve

>Ideally you create a business model that lets you get your margin from the rich countries and the middle income countries, or through tiering customers in developing countries." He cited eye clinics in India that offer free lens replacement and other treatments to the poor but charges those who can afford it as a good example of a tiered system. It seems like pharmaceutical companies come under a lot of fire for that kind of approach.