The author starts off by stating that most designers create products mainly for the rich. However although a good marketing strategy, the "rich" only make up about ten percent of the population. The remaining ninety percent cannot afford many necessities such as farming tool. There are three main components to making and selling products for poor farmers: affordability, miniaturization, and expandability. Some examples of products his company has madeare drip-irrigationsystem, a treadle pump, and an expandable house in which you can add components to it as the buyer's income grows.