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Understand the machine first.

Then train, fine-tune, and deploy honestly.

I'm Zafrullah Khan, Ed.D. I write short lessons on what language models actually do, and how to decide when to prompt, retrieve, fine-tune or train one. Start with this week's lesson.

This week's lesson

A timeline of stepping stones from an old telegraph to a glowing chat bubble, with the words: Seventy years, one idea — predict what comes next.

Week 2 · History that clarifies today Postcards from AI history: seventy years, one idea Language models did not appear overnight in 2022. Six postcards from AI history, and the builder habit each one should give you.