The document discusses design thinking and how it can be applied to business problems. Design thinking uses an open, collaborative and iterative process that involves empathizing with users to understand their needs, defining the problem from the user's perspective, generating ideas through brainstorming, prototyping potential solutions, and testing prototypes with users. It contrasts this approach to more traditional "puzzle type" problems where the environment is stable and predictable versus "mystery type" problems that are uncertain with many unknowns. The design thinking process is presented as a non-linear cycle of empathizing, defining, ideating, prototyping, and testing to develop solutions that meet user needs.