What an LLM actually is (and isn't)
The single most useful mental model for working with AI. What prediction means, where the knowledge lives, and why fluent never means true.
evergreen
Guides that outlive the news cycle.
Five guides, in order. Read them once and the daily news starts making sense; we revise them whenever the ground actually moves.
Prompting fundamentals that outlive model releases
Context, constraints, and examples — the three levers that worked in 2023 and still work now. Everything else is fashion.
How to choose AI tools for a small business
A decision process, not a product list: what to pilot, what to ignore, and the three questions that disqualify most vendors quickly.
The solo operator's AI stack
What one person actually needs to run research, writing, support, and bookkeeping with AI — and where paying more buys nothing.
What AI still gets wrong (limits, hallucinations, when not to use it)
The honest failure catalog: where models break, why they break there, and the tasks you should still do by hand in 2026.