Discover · from S1 · L02 The Juicer Nobody Needed

Prove a problem is real before building. Runs in your browser, no sign-in, and your work is saved on this device.

Fill every blank, with evidence

If you can't fill a blank with real evidence, you're not ready to build. You're ready to go and learn.

The three signs of a real problem

Your result

Start with the person. The sentence builds itself as you type.

Why this works

The lesson behind the tool

Great execution on the wrong problem is still failure, just more expensive. Real problems show three signs: they happen often, they hurt, and people are already hacking around them.

The one-sentence test keeps you honest. If you can't fill every blank with real evidence, you're not ready to build. You're ready to go and learn.