This document summarizes Kristin Wolff's website which promotes prototyping as a method for innovating and problem solving. The website discusses prototyping concepts and methods through short passages and provides tools to guide the prototyping process. It emphasizes that prototyping is useful for workforce and social innovation by allowing ideas to be tested and improved before implementation through low-cost experiments. The document samples several prototyping tools and methods including describing personas, planning prototypes, and mapping customer journeys.