Take-home: build a prototype for this problem and send a two-minute video. What do you build, and what goes in the two minutes?

Two minutes rewards one finished user journey and an honest failure. Confirm the AI-tool rules first, build one end-to-end job with a small eval, and spend the video on the problem, the demo, the failure and the next step.

Updated Nov 2026 · Original practice questions with worked answers and teaching rubrics. Our editorial policy explains the sources, review process and limits.