Dejan Krstic
Product School
Free Lesson

From a Blank Chat to a Product You Actually Use

30 min
Nov 12, 2026 11:00 AM

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What you'll learn

Build your hypothesis instead of pitching it

See a bet become a usable product before anyone writes a spec, so you know it holds before you commit a team.

Catch AI when it's confidently wrong

AI doesn't crash when it fails. Catch it doing something it shouldn't, then stop it with one rerunnable guardrail.

Leave with everything you need to build the next one

The live product, the prompt behind it, the guardrail test that saved it, and the method. In your inbox before we wrap.

Why this topic matters

Dejan starts with a hypothesis and a blank chat. One hour later there's a live product, and it's on your phone, built in front of you with nothing hidden. Partway through it breaks on purpose, because AI doesn't crash when it's wrong, it fails confidently, and the moment you catch that is the moment you learn what actually has to be true before anything ships. You leave with the product, the prompt that made it, and the guardrail that saved it.

You'll learn from

Dejan Krstic

Dejan Krstic

Ex-Spotify Group PM | VP of Product at Product School | AI PM instructor

Spotify, SoundCloud, BMG
Spotify
SoundCloud
Product School

Product School

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