This document discusses entrepreneurship and idea generation and evaluation. It defines invention as the creation of new products or processes not previously known, while innovation is applying creative ideas to provide useful applications that create value. Examples are given of inventions that later led to innovations. The document also discusses different types of innovation and sources of innovative opportunities. Methods for idea generation like SCAMPER are presented. Finally, it provides questions to evaluate a business idea around solving an important customer problem, having a viable business model, determining market size and uniqueness, and ability to defend against competitors.