Before
AI로 레스토랑 예약하는 앱
After
DAI-powered restaurant reservation app for busy office workers in Gangnam who need same-day lunch reservations at premium restaurants. Start with 5 high-end restaurants that currently don't take online reservations and charge restaurants a booking fee to reduce no-shows through AI-powered customer screening.
Per-question score table
What's the strongest evidence you have that someone actually wants this?
Needs a sharper customer, proof point, and next test.
What are your users doing right now to solve this problem, and what does that workaround cost them?
Needs a sharper customer, proof point, and next test.
Name the actual human who needs this most. What's their title and what consequence do they face?
Needs a sharper customer, proof point, and next test.
What's the smallest possible version of this that someone would pay real money for this week?
Needs a sharper customer, proof point, and next test.
What surprised you when you actually watched someone use this without helping them?
Needs a sharper customer, proof point, and next test.
If the world looks meaningfully different in 3 years, does your product become more essential or less?
Needs a sharper customer, proof point, and next test.
Homework
Three concrete next steps before you run the next session.
- 1Call 10 Gangnam restaurants this week and ask if they'd pay for an AI booking system
- 2Interview 5 busy office workers about their last restaurant reservation experience and what frustrated them
- 3Research why Google Duplex restaurant reservations failed and document 3 specific lessons
Keep using gstack on the web
/office-hours
- Run the full six-question workflow
- Get a refined V1 and grade
- Leave with concrete homework
- No terminal or local setup
All web skills
- 10 gstack skill runs every month
- Office Hours, CEO, Engineering, and Design
- Private results and saved history
- Follow-up emails
$19 / month
Go Pro
$19/month for 10 gstack skill runs across Office Hours, CEO, Engineering, and Design workflows—plus private results, saved history, and follow-up emails.
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