This document provides information on developing a business idea. It discusses sources of business ideas such as identifying unmet needs in society. The business idea can be for manufacturing, retail, or services. The process of generating ideas involves scanning the external environment to identify changing trends and customer needs and then using techniques like drawing on one's skills or improving existing products to come up with ideas. Once ideas are generated, the document recommends selecting ideas with the highest chance of success by examining factors like one's strengths, weaknesses, interests and knowledge.