kopernik brings together three parties. using money from donors they push goods from companies to sell them to people in need. how can companies make a profit when poor people have so little to spend? >> we mobilize funds, which is donations, and using those funds and we purchase these technologies and deliver them to the local communities. they will still pay for this product, but the price is determined by their readiness and willingness to pay to these products. so we -- from the company side it's a legitimate business because we are purchasing the technologies at the price that they want. >> he says people in poor communities also have an incentive it to buy these new kinds of products. >> when people are already paying for the less efficient way of, say, lighting, and they introduce a more cost-effective way, then you are more likely to make a business out of it. people are already paying, and you have better product and services. so the solar light is a very good example of that. and tmany companies are growing so rap