Hjálmar Gíslason
Five-time startup founder.
Curious about tech, media, life, the universe and everything.
Spreadsheet superpowers, for humans and agents.
GRID's spreadsheet engine is now free for evaluation and non-commercial use - for humans and AI agents alike.
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Spreadsheets ran the world. Then AI showed up.
The handmade spreadsheet is going extinct, and calculations are moving to formats where few can check the math.
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Is AI making us dumber?
Offloading mental tasks to external aids is what made the modern world possible. AI is the latest in that line - with one important difference.
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A Second Brain for an Audience of One
I've been building my own personal knowledge base for 2.5 years. It feeds on every digital trace of my life, I reach for it dozens of times a day, and it's only useful to me. That's the whole point.
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When Code Is Free: 9 Things That Still Matter
Network effects, data, distribution, trust, ideas. When anyone can ship anything, everything that isn't code matters more.
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Building for an Audience of One
Software got easier to build. The mindset is harder to change.
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Claude Shannon's Maze-Solving Mouse
In 1952, Claude Shannon built a mechanical mouse that could solve a maze. The clever twist: the intelligence wasn't in the mouse — it was in the floor.
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The Spark
What skills should students focus on as AI reshapes the job market? The answer is simpler than you might think.
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We're all product managers now!
With the rise of AI coding, every programmer, analyst, designer and end-user has become a product manager. The question is: how do we become good ones?
