The information farmers in Uganda provide via mobile phones does more than just help them order and pay for supplies. It allows the collection of data that will help them sell their crops, build a credit history, and receive other services, such as crop insurance.
Hardy 'elephant' or Napier grass has proved to be a cheap and nutritious fodder for livestock in poor and drought-prone areas of India.
Microloans get all the publicity, but the key to upward mobility for the world's poor may be to rely on simple savings plans, which offer a debt-free way to build wealth, make investments, and better one's life.
In impoverished areas, people spend $1 to $2 per day to burn charcoal or wood to cook food, a huge expensive for them. A clean-burning cookstove cuts that cost by more than half.