Short pieces on what AI actually changes about the work, written from the commercial side rather than the technology side. No vendor pitch, nothing behind an email form, and free to read.
ExplainerHere · 4 min
What is an AI skill, and how do you govern one?
A file of written instructions an assistant loads before a job, so the job is done the same way each time. What is inside one, the four points to settle before it is used, and how to keep it current as a controlled document.
Written by Allen Chen, who is responsible for what it says. The video on the page uses a synthetic voice made with NotebookLM, and illustrations made with AI.
Three faults on my own site: articles built by JavaScript that no crawler could read, my method buried in a page called About, and an automated check that said the site was not indexed when it was. With the figures I am starting from.
Drafted with AI assistance. Every figure checked against its source by Allen Chen, who is responsible for what it says.
A vendor saying "agentic" may mean one tool doing one task, or several working together. Ask what it does on its own, what it is allowed to touch, and how you see what it did.
Script, voice and visuals made with AI. Checked against source and corrected by Allen Chen, who is responsible for what it says.
31 August 2026
ExplainerVideo
State of frontier AI, August 2026
Where the frontier models actually stand this month, and what changes for the people who have to make decisions with them.
Script, voice and visuals made with AI. Checked against source and corrected by Allen Chen, who is responsible for what it says.
11 August 2026
Evidence checkLinkedIn
What an AI prompt really costs the environment
Google puts a median text prompt at about 0.24 Wh and five drops of water, far below the figures in circulation. But it is Google measuring Google, and it excludes training, storage and network.
Three layers of AI, and why the confusion costs you
Most AI confusion comes from mixing up the engine, the agent and the tools it can reach. Govern the capabilities and the access, not the choice of model.
The reports go deep on one industry for people making a decision with money behind it. This section is the opposite: short, free and general, for anyone trying to work out what AI actually changes about their job.
It is also how you can judge whether the paid work is worth your money before you spend any of it. That is deliberate.
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These are posted on LinkedIn as they are published, which is the quickest way to see them. Questions and disagreements are welcome by email – both have changed what ended up in the writing before.