Mobile devices, phones as well as Tablet computers, have been spreading fast across the globe. Spread of mobile phones in developing countries has been spectacular. More people have access to cell phones today than to clean water.Mobile communication and computing technologies have much potential to contribute to human development. This is already felt in some measure in learning. There are reports of new advantages and benefits in key other sectors such as agriculture and food production and rural credit and finance. This course is about important concepts and practices in mobile technologies that are relevant to learning and education, agricultural extension and rural credit and finance.