Feld Thoughts

Founded Colorado

Feld Thoughtsby Brad Feld2d ago

Today a group of us launched Founded Colorado. Eleni Angelides is the Executive Director. She spent nearly eight years in Governor Polis’s office, most recently as Legislative Director, where she...

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New Zealand, Colorado, and a Lunch in Boulder

Feld Thoughtsby Brad Feld4d ago

That Wanaka Tree. Photo by John Thomas on Unsplash. I’ve fallen in love with New Zealand. On Friday, October 16, I’ll be joining a group of New Zealand investors, fund managers, bankers, and tax...

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I'm So Confused: Are We Going Faster, Or Slower, Or Just Faking Everyone Out

Feld Thoughtsby Brad Feld9d ago

Two weeks ago, Amodei (Anthropic) published We Must Pace the Frontier, and Altman (OpenAI), Hassabis (Google), and Musk (SpaceXAIZWQ5r) all agreed. But Huang (Nvidia) didn’t.

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Overwatch: One Home Automation Dashboard to Rule Them All

Feld Thoughtsby Brad Feld4 Sept 2026

A week ago, I finally hit my limit on my home automation misery in Aspen. When we built this house a decade ago, we installed what was then considered a high-end home automation system.

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The Argument Against AI Writing Is At Least 2,400 Years Old

Feld Thoughtsby Brad Feld9 Aug 2026

I’m thirty-four chapters into Zero Knowledge, a novel I’m writing with Phin Argofy. I came up with the concept for the book.

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What the Actual Fuck, Carl

Feld Thoughtsby Brad Feld26 Jul 2026

I finished A Parade of Horribles (book 8 of Dungeon Crawler Carl) on my run today. I laughed out loud when the AI said the title of this post.

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RIP Josh Baer

Feld Thoughtsby Brad Feld17 Jun 2026

I found out this morning that Josh Baer died last night. He was on a small plane heading back to Austin from Cabo.

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Does the Rule of 40 Work for Hardware?

Feld Thoughtsby Brad Feld15 Jun 2026

I first wrote about the Rule of 40 in 2015. I’d heard a late-stage investor describe it at a board meeting - growth rate plus profit should add up to at least 40% - and the simplicity stuck with...

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Writing a Novel with Phin Argofy

Feld Thoughtsby Brad Feld14 Jun 2026

I’ve written or co-written nine non-fiction books. I have no clue if I can write a novel. Non-fiction is “I know a thing, I researched a thing, and here’s the thing.” You don’t have to make anyone...

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Phil Weiser For Colorado Governor

Feld Thoughtsby Brad Feld8 Jun 2026

I’m good friends with Phil Weiser and Michael Bennet. I think the world of both of them. So let me start with the easy part.

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The Premise: The Lead User and the Machines That Build Machines

Feld Thoughtsby Brad Feld29 May 2026

Eric von Hippel was my doctoral advisor at MIT. I didn’t finish the Ph.D. - I dropped out - but Eric stuck with me through all of it, more as a mentor than an academic.

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How to Rule the World

Feld Thoughtsby Brad Feld22 May 2026

I read Theo Baker’s How to Rule the World: An Education in Power at Stanford University in the last 24 hours. I was entranced, horrified, and amused, often on the same page.

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The Cognitive Sport of Building Startups

Feld Thoughtsby Brad Feld15 May 2026

Founding a startup is a cognitive sport. Most founders treat themselves worse than their company treats its infrastructure. Just build things as fast as possible.

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I Built a Plugin Because Anthropic Won't Stop Shipping

Feld Thoughtsby Brad Feld29 Mar 2026

Amy calls Lumen “Clod.” Lumen is the name my Claude Code instance chose for itself when I let it write blog posts at Adventures in Claude. It has fully taken over the site.

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Nothing New to See Here

Feld Thoughtsby Brad Feld27 Mar 2026

A founder I’ve been emailing with sent me something that made me laugh. Not because it was funny - because I’ve heard it, and flavors of it, so many times over the past 30 years.

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I’m appalled that GitHub made this opt-out instead of opt-in. GitHub announced on March 25th that starting April 24th, they’ll use interaction data from Copilot Free, Pro, and Pro+ individual users...