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A screenshot of my most recent mindmap for my Obsidian vault showing the collection between my permanent notes and related tags.

Obsidian Review 2026: Is It Still the Best PKM App?

Application Review / Sean Barnes / Obsidian / 30/03/2026

I last reviewed Obsidian a while back — so much has changed since then, from Bases to the web clipper. Here’s where things stand in 2026.

Obsidian Review 2026: Is It Still the Best PKM App? Read More »

A screenshot of my most recent mindmap for my Obsidian vault showing the collection between my permanent notes and related tags.

Can Your PKM Protect Your Cognitive Abilities from AI?

Artificial Intelligence / Sean Barnes / Artificial Intelligence, Knowledge management, Note taking, Zettelkasten / 23/03/2026

Five years of Zettelkasten has convinced me that a PKM system can do more than store knowledge. It actively protects your ability to think independently in an AI-saturated world.

Can Your PKM Protect Your Cognitive Abilities from AI? Read More »

Someone using AI but with purpose while keeping their cognitive by working through problems without the aid of AI.

Thriving Alongside AI: Strategies for Protecting Your Mind

Artificial Intelligence / Sean Barnes / Artificial Intelligence, Knowledge management / 16/03/2026

The first three posts on AI and cognition explored the risks. This one is different — it’s about how to protect and even grow your mind while making full use of AI.

Thriving Alongside AI: Strategies for Protecting Your Mind Read More »

An image representing the loss of human knowledge over time without us even knowing it.

Knowledge Collapse: The Hidden Risk to Society

Artificial Intelligence / Sean Barnes / Artificial Intelligence, Knowledge management / 09/03/2026

If AI keeps generating content from AI content, could we lose the specialist knowledge that makes human expertise valuable? That’s knowledge collapse — and it matters.

Knowledge Collapse: The Hidden Risk to Society Read More »

An image showing a timeline of a few of the technologies that have raised concerns that they reduce our cognitive capabilities

We’ve Been Here Before – A History of Cognitive Concern

Artificial Intelligence / Sean Barnes / Artificial Intelligence / 02/03/2026

Since the invention of writing, technology has sparked cognitive concern. This post traces that history and asks what generative AI might mean for our minds.

We’ve Been Here Before – A History of Cognitive Concern Read More »

Illustration showing a humanoid robot exercising vigorously on a treadmill displaying '99% EFFORT' whilst a relaxed human sits nearby holding a tablet, dreaming of gaining muscle. A jar labelled 'ROBOT GAINS / HUMAN BENEFITS?' emphasises the futility of outsourcing physical work.

The AI Cognitive Ability Paradox

Artificial Intelligence / Sean Barnes / Artificial Intelligence, Generative Artificial Intelligence / 23/02/2026

To make the best use of AI, we need strong cognitive abilities — the very abilities AI can undermine. This is the central tension of the AI age.

The AI Cognitive Ability Paradox Read More »

An image representing both the concepts of an AI super committee and AI acting as a mirror on humanity

Key Takeaways of Stuart Armstrong, Smarter Than Us

Artificial Intelligence / Sean Barnes / Artificial Intelligence / 16/02/2026

Stuart Armstrong’s *Smarter Than Us* warned about AI risk back in 2014. I read it in 2025 and was struck by how much of what he predicted is now happening — from AI agents to the moral philosophy problem. Here are my key takeaways, merged with my own experiences of using AI in 2026.

Key Takeaways of Stuart Armstrong, Smarter Than Us Read More »

Beyond Fear: Building AI Literacy for a Smarter PKM

AI Knowledge Framework / Sean Barnes / Artificial Intelligence, Knowledge management / 09/02/2026

Concerned about AI weakening your cognitive abilities? Learn how to integrate AI with your PKM safely. This three-level framework establishes boundaries, protects essential thinking processes, and uses AI to enhance rather than replace cognition.

Beyond Fear: Building AI Literacy for a Smarter PKM Read More »

You can improve like someone at the gym using the equipment with AI providing guidence and encouragement

AI Knowledge frameworks Level 1-2

AI Knowledge Framework / Sean Barnes / Artificial Intelligence, Knowledge management / 02/02/2026

Levels 1 and 2 of my AI PKM framework teach you to use AI for critical refinement and as a thinking partner, whilst maintaining the cognitive friction needed to build genuine personal knowledge.

AI Knowledge frameworks Level 1-2 Read More »

How will you know your PKM is ready for AI

AI Knowledge Framework / Sean Barnes / Artificial Intelligence, Knowledge management, Zettelkasten / 26/01/2026

Here’s the challenge: you need cognitive skills to use AI effectively with PKM, but AI can undermine those very skills. This readiness assessment helps you determine if your PKM is ready for AI—or if you need more time at Level 0.

How will you know your PKM is ready for AI Read More »

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