Seven courses. From eight-year-olds to enterprise sales. Everything is free, everything is real, nothing's on a corporate calendar.
The catalog— six on the shelf
For kids · ages 8–14
Start here if there's a curious 10-year-old at the table
For ages 8–14
AI for Kids
№01
Foundations through stories and a career-game. The kind of book a parent reads alongside.
5 modules · BeginnerOpen →
For ages 14–18
AI for School Students
№02
A deeper take for teens — how LLMs actually work, prompting like a power user, and the careers AI is opening up. Coming next.
In the kilnIn progress
Core literacy
Read in any order — each stands alone
For everyone
AI Essentials
№03
Vocabulary, history, honest limits. What an LLM is — and isn't — without the marketing.
4 modules · BeginnerOpen →
For builders
AI Deep Dive
№04
Transformers, embeddings, fine-tuning, evals. The trade-offs that don't fit on a slide.
4 modules · AdvancedOpen →
For decision-makers
AI in Industry
№05
A field map of products, providers, use-cases. Updated as the landscape shifts.
6 modules · IntermediateOpen →
Industry courses
Vertical, role-specific. More on the way.
Live cohort
AI for Cybersecurity Sales
№06
Six weeks for SEs and AEs selling into security teams. Recorded for your time zone.
3 modules · IntermediateOpen →
In the kiln
More verticals next quarter
Healthcare, legal, and field-sales drafts are in review. Suggest one →
Run a cohort with us
Bring your team
We co-author industry courses with practitioners. If that's you, get in touch.
Side stuff— not courses, still worth your time
Two rabbit holes · enter at your own risk
Try things · break things
AI Playgrounds
§
A wall of small, runnable toys. Tokenizer in your browser. Embeddings on a 2D plane. Ten minutes teaches you what an hour of reading wouldn't.
TokenizerSee how your sentence becomes numbersRUN →
Embedding mapWords plotted in 2D — drag them aroundRUN →
Prompt diffTwo prompts, side by side, same modelRUN →
Temperature dialSame prompt, ten temperaturesRUN →
12 toys · all in-browser · no API keysOpen the room →
Field notes · not yet a course
Agentic AI
¶
Tools, memory, the loop. A working developer's tour of why agents fail in production — published as essays while the proper course is still in the kiln.
I.What an agent actually is (and isn't)8 min
II.The loop, and why it gets stuck11 min
III.Tool use without prayer14 min
IV.Memory: the parts that work9 min
4 essays so far · new one most weeksRead the notes →
Marginalia · Did you know
The first chatbot, ELIZA, was built in 1966 — to parody therapy.
Joseph Weizenbaum wrote it as a satire of how machines fake understanding. People started treating it like a real therapist anyway. He spent the rest of his career warning us.