Josh Seiden - Hypothesis-based Design within Lean UX
In traditional development environments, requirements are what you base the project’s direction on. However, requirements assume that you know what you’re doing and why you’re building it. Substituting your thinking to adopt a hypothesis approach allows you to examine where you may be wrong. Lean UX itself embraces hypotheses to quickly determine what is and isn’t true about a project and which is the right path to go down.