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DecideMake a call

Do one useful thing.

Do one short activity and keep the work you make.

  • About 20 minutes
  • First call, rethink, keep
  • Datumly if you want it
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ACTIVITY / 10.28Choose and explain why

Find your AI working style.

A few real examples. One useful thing to practice. Explore Every’s eight levels without making it a competition.

Up to five questions · No account needed

evaluation · agent safety · retrieval

AI foundations challenges

  1. Call 1, current
  2. Call 2, next
  3. Call 3, next

evaluation

Open the weak evaluation slice

A classifier is 94% accurate overall but regularly misses urgent requests written in short messages. What should you inspect next?

Pick the call you would make.

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On this device

Finish a call and choose Keep. It lands here, in this browser only.

Frontier stations

Interactive AI systems lab

Frontier stations

01Compare three answers

Split your trust across three answers to the same ask, on the Table.

Open 02Will this change fix it

Judge a change to the request before you make it, on the Table.

Open 03What it can read

See what gets cut when a long chat no longer fits, in a lesson.

Open 04Let it act, or stop it

Decide when an assistant may act on its own, on the Table.

Open 05Test before you switch

Score two versions on the same cases before trusting either, in a lesson.

Open
Write one out in fullSet an error budget for a probabilistic feature
The situation

For an AI feature you know, state the acceptable error rate, who agreed to it, how it is measured in production, and what happens when the budget is spent.

  1. First call, currentMake it rough
  2. Rethink, nextSee what you missed
  3. Keep, nextSave the evidence

Help is optional. Your draft stays in this tab until you ask.

First call · make it rough

Your answer

Rough is right. You can improve it after a review.

First call

Your draft stays in this tab. If you ask Datumly, the activity and a short copy of your draft are sent once, and the reply says so. Review it yourself and nothing is sent. Datum does not save that request.

October 28, 2026 · a new activity appears each day