The document discusses how entrepreneurs can use environmental scans and entrepreneurial discovery to plan new businesses by systematically analyzing trends, gaps, and developments in technology, politics, society, and demographics to identify new opportunities. It provides examples of areas for discovery like new products or markets and techniques like analogies and prototypes that entrepreneurs can use to recognize opportunities and distinguish their business from competitors. Conducting regular environmental scans is important for anticipating changes, understanding the current business environment, and informing strategic planning.