The sprint is a five-day process for answering critical business questions through design, prototyping, and testing ideas with customers. Developed at Google Ventures, 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.
On this blog, I write a lot about making data-driven decisions. But what if you just starting to think about your product? You have a vague idea and nothing more. No point to go for prototyping or even talking to customers as you don't know yet who to talk to and what to talk about. In such situation - start from creating a product vision.