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The Rabbit Hole

New to AI, or want to understand it properly? Go down the rabbit hole.

Twelve sessions that explain how AI actually works, what it is good for, where it goes wrong, and what to do on Monday. No incense. Every number sourced. Interactive demos you can poke at.

Start with Part IV: how the thing actually works →See all parts
Twelve parts plus a quarterly outlook · about 40 minutes each to read · Updated October 2026
The series

Twelve parts and a quarterly outlook. Read in order, or jump to the one you need.

Part I

The map

Seven topics, one map: harnesses, local models, your data, open weights, China vs USA, risk, and robots. Where everything else in the series lives.

~85 min
Part II

Local AI

Owning the inference: why anyone runs their own model, what it costs in dollars and gigabytes, and the architecture that uses local for most things and the frontier for the rest.

~75 min
Part III

Agentic AI, minus the incense

What “agentic” actually means, the loop with hands, five real workflows built two ways, and the leash you build before the agent.

~75 min
Part IV

How the thing actually works

Tokens, weights, training, the context window, why it is confident and wrong, and the species: reasoning, multimodal, big and small. Start here.

~75 min · Start here
Part V

Working with AI day to day

Why results vary, the brief instead of the prompt, which tool for which job, and where the output becomes your liability.

~80 min
Part VI

Harnesses

The body around the brain: tools, MCP, rules files, memory, permissions, and the two species of harness.

~80 min
Part VII

Your data and AI

Getting a model to know your documents: retrieval, fine-tuning for form not facts, and the evals nobody runs.

~80 min
Part VIII

Risk, security and governance

Prompt injection, data leakage, agents with your keys, deepfake fraud, and governance that fits on a page.

~85 min
Part IX

The landscape

Open weights vs open source, two races, the money and the chips, and a method for choosing a model that outlives the names.

~80 min
Part X

Beyond the chat box

Images, voices and video; fakes, fraud and the law; and robots as agents with kinematics.

~85 min
Part XI

Building with AI

Vibe coding defined honestly, the ladder from a formula to a system, a build from start to finish, and when the old costs come back.

~85 min
Part XII

AI in the organisation

Where the value shows up, jobs and people, the operating model, measuring it, and the pilot that is allowed to fail.

~85 min
Outlook

Where this is going

What the labs say, what the measurements say, the money, and what to expect by Part over the next twelve months. Re-issued quarterly.

~15 min · Quarterly
How to read this

Three things to know before you start.

The titles are the durable part.

Each section's title states one idea, built to survive several releases. The boxes under it carry this quarter's facts, with the date they were checked.

The demos are the real mechanism.

Every interactive piece runs in your browser and does the actual thing: trains a tokeniser, samples a language model, retrieves documents, runs the agent loop. Where something is a simulation, it says so.

Every number has a source.

Open the sources under any section. If a claim could not be sourced, it was left out. Dated boards are re-checked quarterly; the Outlook says what changed.