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Build physical things faster. Rewind mistakes, fast-forward ideas. The memory layer between your design and the real part. Join the waitlist

Joined September 2026
Photo by doud (@wedoudin)Photo by doud (@wedoudin)Photo by doud (@wedoudin)Photo by doud (@wedoudin)Photo by doud (@wedoudin)Photo by doud (@wedoudin)Photo by doud (@wedoudin)Photo by doud (@wedoudin)Photo by doud (@wedoudin)Photo by doud (@wedoudin)
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So the question isn't "how do we move atoms faster?" It's "how do we write better instructions and let matter do the work?" That's where physical building is going. What'cha u douding?
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Alex Karp on how the smartest people actually operate: "One of the ways you make it to the top is you hide how smart you are." And the corollary is brutal: "Every single person who has shared how intelligent they are tells you how stupid they are." This is counterintuitive but it tracks. The loudest people in any room are usually performing. The ones who end up running things learned early that broadcasting intelligence is a status move — and status moves are for people who need validation, not leverage. Real intelligence compounds quietly. It observes, positions, and strikes when others are still talking about how they're going to strike. Karp built Palantir into a company that now works with the most powerful institutions on Earth. He didn't get there by being the most quotable person in the room.
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Every physical product goes through dozens of versions. Parts shrink, warp and drift, and those lessons rarely make it back into the next design. Doud remembers what happened to every version, so you can rewind mistakes and build faster. 
Waitlist: tryesi.com/waitlist
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In the early days of Palantir, Garry asked Alex Karp why they were putting him up at the Mandarin Oriental. They were kids at a startup, Motel 6 would do. Karp's answer: "you're going to go and talk to such and such general, or such and such VP of some Fortune 500. And you're going to show this incredible software you've built. Then as you go out the door, they're going to make small talk and ask how long you're in town. And if you say you're staying at the Motel 6, that says something about what Palantir is. And they're going to think this is Motel 6 software. And guess what: Palantir is not Motel 6 software. Palantir is Mandarin Oriental software." Every detail tells the customer who and what you are. The best founders and operators know that and obsess over the details. If you're pitching Walmart or Costco, you should take a Greyhound bus and sleep on a friend's couch. Garry covers a lot more in this episode, like Big Tech vs startups, how his upbringing made who he is today, and how agents evolve from here. Worth a listen.
Was a true honor to sit down with @WalterIsaacson for The Builders podcast out this morning We are at an unusual inflection point in history and there are so many reasons to be excited for the future with superintelligence almost here
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What if you can design by time traveling? Would you want that?
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doud retweeted
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Proteins fold into the right shape on their own. Researchers already use this to make programmable matter. Skin heals. Bones knit back together. Biology already has a rewind button.
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doud retweeted
A seed doesn't get printed. It grows by following rules. Evolution tests billions of versions, drops the failures and copies the winners. That's the ultimate rewind and fast-forward loop.
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design by time travel
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Replying to @wedoudin
Walkmac (1986) vs MacBook Air (2008)
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This feels scary, but here goes...
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This is how you do it! > set a goal > clean backdrop > raw unpolished video > be honest with your emotions The same worked for me, and Dave nailed it. Rooting for you Dave!! 👏
This feels scary, but here goes...
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doud retweeted
Nature doesn't sculpt atoms. It writes code and lets atoms build themselves. DNA is a short instruction set that builds a tree, a bone, a whole body. No factory needed.
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doud retweeted
So the question isn't "how do we move atoms faster?" It's "how do we write better instructions and let matter do the work?" That's where physical building is going. What'cha u douding?
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build faster with doud.
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Software ships in seconds. Hardware ships in reality. Respect to everyone who makes things you can hold. Calling all Douds.
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Every Doud knows the pain: bracket_v3_final_REAL_fixed.step. Drop your worst file name. Douds, show us.
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A seed doesn't get printed. It grows by following rules. Evolution tests billions of versions, drops the failures and copies the winners. That's the ultimate rewind and fast-forward loop.
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Proteins fold into the right shape on their own. Researchers already use this to make programmable matter. Skin heals. Bones knit back together. Biology already has a rewind button.
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