This document provides an overview of business idea generation methods for management consultants and managers. It discusses improving existing products or businesses, solving existing problems, carving out parts of existing businesses, cloning successful concepts, and using blue ocean strategies to target non-users. Specific examples are given for each method, such as creating a consulting business from a former employer, solving one's own problems like Airbnb did, or cloning the low-cost airline model like Ryanair did. The document aims to teach practical strategies for coming up with new business ideas.