Affinity diagramming has long been used in business to organize large sets of ideas into clusters. In UX, the method is used to organize research findings or to sort design ideas in ideation workshops.
When a customer uses a company's products and services to achieve a goal or need, they are going on a journey from point A to point Z. A customer journey map charts the path a user takes from the beginning of this journey to the satisfaction of that need.
The sprint is a five-day process for answering critical business questions through design, prototyping, and testing ideas with customers. Developed at GV, it’s a “greatest hits” of business strategy, innovation, behavior science, design thinking, and more—packaged into a battle-tested process that any team can use.