Open any chat tool and paste: 'Write a 2-sentence welcome for new hires about AI tools at work.' Then paste: 'Critique your answer for fluff and vagueness. Rewrite shorter and more specific.' You're done when the second version is shorter than the first.
How-to · INT · INT.3
Iterate once — draft then critique
Pros iterate: draft → critique → revise once beats one-shot perfectionism.
Worked example
A single one-shot prompt is basically a lottery ticket. The pros know better — they draft, critique, tighten, and re-run.