Build First Brain Journal
The Build First Brain Journal

Field notes from the First Brain.

Page 18 of 27.

How to Train AI on My Own Writing
AI & Cognition

How to Train AI on My Own Writing

How to train AI on your own writing: prompt, RAG, or fine-tune. The catch is your twin is only as smart as the structured First Brain data you feed it.

Jun 2, 2026 · 8 min read
How to Scale a Small Business With AI
Networked Thought

How to Scale a Small Business With AI

AI does not scale hustle, it scales structure. Learn how to turn a small business into a system AI can run, the mobile-first way founders are doing it now.

Jun 2, 2026 · 9 min read
Virtual Reality Aim Trainers and Neuroplasticity
Mind & Learning

Virtual Reality Aim Trainers and Neuroplasticity

VR aim trainers really do sharpen your reflexes, but the gains rarely transfer to match performance. Here is what the science says and how to fix it.

Jun 2, 2026 · 8 min read
How to Communicate Better with AI: Speak the Graph
Networked Thought

How to Communicate Better with AI: Speak the Graph

Ambient AI rewards structure and punishes rambling. Learn to communicate better with AI by speaking your First Brain in explicit nodes and edges.

Jun 2, 2026 · 7 min read
Can AI Write Comedy? Why AI Humor Fails
Networked Thought

Can AI Write Comedy? Why AI Humor Fails

Can AI write comedy? It writes jokes but rarely lands one. It recycles the same 25 jokes and defaults to bland, because humor subverts the expected.

Jun 2, 2026 · 6 min read
Is Blogging Dead Because of AI? The Zero-Sum Game
Networked Thought

Is Blogging Dead Because of AI? The Zero-Sum Game

Is blogging dead because of AI? Generic writing is. AI Overviews capture the clicks and models scrape the text, so only unscrapable human synthesis survives.

Jun 2, 2026 · 6 min read
Are Memory Palaces Actually Useful?
Networked Thought

Are Memory Palaces Actually Useful?

Are memory palaces actually useful? Yes, for memorizing ordered lists, and the evidence is strong. But a palace stores items; it does not connect ideas.

Jun 1, 2026 · 6 min read
Best AI Tool to Summarize Articles? Read This First
Mind & Learning

Best AI Tool to Summarize Articles? Read This First

The best AI tool to summarize articles is fine for triage, but if your goal is to learn, summarizing was the learning, and you just gave it away.

Jun 1, 2026 · 6 min read
Why Are My AI Agents Failing? The Compounding Problem
AI & Cognition

Why Are My AI Agents Failing? The Compounding Problem

Why are my AI agents failing? Reliability compounds: small per-step errors multiply across a long chain. And you cannot debug a system you do not understand.

Jun 1, 2026 · 6 min read
Are E-Ink Tablets Better for Your Brain?
Networked Thought

Are E-Ink Tablets Better for Your Brain?

Are e-ink tablets better for your brain? For deep reading, focus, and sleep, yes, with caveats. The benefit is pacing and what is absent, not the panel.

Jun 1, 2026 · 6 min read
Why Is AI So Corporate? The Alignment Tax on Voice
Networked Thought

Why Is AI So Corporate? The Alignment Tax on Voice

Why is AI so corporate? Alignment training flattens its voice into one hedged, agreeable house style. That blandness is the case for thinking for yourself.

Jun 1, 2026 · 5 min read
What Is an Exocortex? Building Your Outer Brain
Future & Language

What Is an Exocortex? Building Your Outer Brain

What is an exocortex? An external system, memory and processing, coupled to your brain to extend cognition. To integrate, it must mirror your mind's structure.

Jun 1, 2026 · 5 min read
What Does Neuralink Feel Like? Thinking With a Chip
Neural Interfaces

What Does Neuralink Feel Like? Thinking With a Chip

What does Neuralink feel like? Physically, nothing, the first user can't feel it; it works like Bluetooth. The real shift is cognitive: a chip rewards clear thoughts.

Jun 1, 2026 · 5 min read
Is Building a Second Brain Outdated in the AGI Age?
Future & Language

Is Building a Second Brain Outdated in the AGI Age?

Is Building a Second Brain outdated in the AGI age? Half of it. The capture-and-organize layer is being absorbed by AI. The vision that directs it is the whole value.

Jun 1, 2026 · 5 min read
What Is AI Slop? Training Your Filter to Reject It
Cognitive Sovereignty

What Is AI Slop? Training Your Filter to Reject It

What is AI slop? Low-quality AI content, fast, cheap, everywhere, over 20% of videos shown to new YouTube users. The defense is a First Brain that detects no depth.

Jun 1, 2026 · 5 min read
What Is Neural Lace? The Cloud Needs a Local Node
Future & Language

What Is Neural Lace? The Cloud Needs a Local Node

What is neural lace? A mesh of electronics woven into the brain to wire it to computers. Real but early, and a cloud link needs an optimized local node.

Jun 1, 2026 · 5 min read
What Are the Side Effects of Neuralink?
Neural Interfaces

What Are the Side Effects of Neuralink?

What are the side effects of Neuralink? The documented one is physical: in the first patient, electrode threads retracted, cutting signal before software recovered it.

Jun 1, 2026 · 5 min read
What Is Semantic Thinking? The Web Failed, You Won't
Networked Thought

What Is Semantic Thinking? The Web Failed, You Won't

What is semantic thinking? Linking ideas by typed, explicit meaning, not just association. The web tried this and failed. Your First Brain is where it works.

Jun 1, 2026 · 5 min read
Will AI Agents Replace Software Teams? Not the Mind
AI & Cognition

Will AI Agents Replace Software Teams? Not the Mind

Will AI agents replace software teams? They automate the toil and the typing, but not the system model. The engineer who holds the architecture is the one who stays.

Jun 1, 2026 · 5 min read
What Happens When AI Runs Out of Human Data?
First Brain & PKM

What Happens When AI Runs Out of Human Data?

What happens when AI runs out of human data? Models risk collapse: trained on their own output, they degrade and lose the rare and novel. Human thought turns precious.

Jun 1, 2026 · 5 min read
What Is the Metaverse for Work? A Room, Not a Brain
Neural Interfaces

What Is the Metaverse for Work? A Room, Not a Brain

What is the metaverse for work? Shared VR spaces where remote teams meet as avatars. But a shared space is not a shared brain. That still needs coherent nodes.

Jun 1, 2026 · 5 min read
Why Is Tetris Good for the Brain? Spatial Wiring
Networked Thought

Why Is Tetris Good for the Brain? Spatial Wiring

Why is Tetris good for the brain? An MRI study found three months of play thickened the cortex and made it more efficient, training spatial planning and integration.

Jun 1, 2026 · 5 min read
What Happens When All Brains Connect? Stay Anchored
Future & Language

What Happens When All Brains Connect? Stay Anchored

What happens when all brains connect? Early brain-to-brain interfaces already let minds collaborate. Scaled up, that's a shared cognitive substrate.

Jun 1, 2026 · 5 min read
What Is Cybernetic Psychology? The Brain as a Loop
Future & Language

What Is Cybernetic Psychology? The Brain as a Loop

What is cybernetic psychology? Seeing the mind as a self-regulating system that senses, acts, and adjusts via feedback. If the brain is a loop, you upgrade it by tightening it.

Jun 1, 2026 · 5 min read