👋 Hey friends,

If you’ve ever ended your day with thirty tabs open, five half-finished notes, and a head full of context you can’t quite untangle — welcome to modern product management.

Slack pings, Notion docs, dashboards, roadmap decks, user feedback, OKRs — your brain isn’t tired because you’re working too much. It’s tired because it’s holding too much.

At some point, every PM hits what I call the context ceiling — that invisible limit where no matter how hard you try, you just can’t connect one more data point, user insight, or experiment in your head. It’s not about discipline. It’s about cognitive load.

A few months ago, I hit that ceiling myself.
Too many ideas, not enough clarity. So I ran an experiment: I turned ChatGPT into my second brain.

Within a week, things started to shift.
My notes stopped scattering. My thinking started compounding.
And for the first time in months, my brain felt light again — like I could finally zoom out and see the product, not just the chaos.

That’s when it clicked: the best PMs in 2025 aren’t using AI to write specs or summarize meetings. They’re using it to extend their cognition — to capture thinking, connect context, and refine judgment faster than ever before.

🔍 What We’ll Explore in This Edition

• The Context Ceiling: Why product work breaks your brain (and how AI can lift the limit).
  

• The Reflection Loop: A 5-step mental model for thinking with ChatGPT instead of through it.
  

• The 3-Step Setup: How to create, feed, and grow your PM second brain.
  

• The 5-Day Playbook: A simple routine to build your own by Friday.
  

• The Real Talk: What it actually feels like when your AI starts to think with you — and how to keep control.

— Naseema Perveen

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