This document provides an overview of design thinking. It discusses design thinking as a human-centered approach to innovation. It covers the philosophy and history of design thinking, why it is an important approach today, and how to properly apply it through tools like empathy, defining problems, ideating solutions, prototyping, and testing. The document also provides examples of how design thinking has created value for organizations and in grassroots innovations through case studies. It emphasizes that design thinking is an iterative process aimed at meeting user needs rather than a single outcome or magic solution.