Working on something new. Prev at Glow, Google, Slide.
Joined August 2009
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Kevin Ho retweeted
The world's least creative lawyers got together and decided to destroy all UX.
I want to know the law that requires me to check the box on the the TOS that I definitely will not read before I click on the only CTA possible while trying to get access to airport WiFi.
Kevin Ho retweeted
BREAKING: Max Levchin (@mlevchin), Co-Founder of PayPal & CEO of @Affirm — HQ Tour
A Masterclass in: Espressos → Big Lebowski → PayPal lessons → Affirm → Economics of AI
The Dude abides.
“The net IQ of the world Is about to go up 50 points”
Result: As intelligence becomes normalized, bad actors & "fine print" companies will get exposed faster.
We cover:
• Capitalism vs the “warm embrace” of socialism
• You can’t perfectly time an IPO
• The best time ever to be a CS CEO
• AI collapsing the cost of intelligence
• Great economic shift underway
Strikes & gutters, ups & downs.
Recorded at Affirm HQ, March 30, 2026
𝐓𝐈𝐌𝐄𝐒𝐓𝐀𝐌𝐏𝐒
(00:00) Max Levchin, Co-Founder & CEO at Affirm
(01:35) Inside Affirm's office espresso bar
(06:46) How the love for espressos started at age 5
(10:30) Truth about bad coffee beans
(13:51) Strava & cycling
(14:56) Meeting Alfred Lin & Tony Hsieh over poker
(21:14) Onboarding 800K Shopify merchants in one week
(22:59) Big Lebowski in every shareholder letter
(32:11) The PayPal lesson that built Affirm
(35:25) Being a technical CEO
(37:57) Why this is the best time to be a technical CEO
(42:10) Should engineers still learn to code?
(44:48) Side quest with AI
(46:59) Companies AI will destroy
(49:46) How AI has changed engineering at Affirm
(50:54) Agentic commerce & DoorDash
(52:28) Devolution of Credit
(55:06) Biggest misconceptions about BNPL
(57:42) Being a public company CEO
(01:07:01) Advice for private companies
(01:11:09) Creating his own economy
(01:14:29) Can AI help solve the $39T debt problem?
(01:16:00) Learnings
(01:17:46) Will average IQ rise or fall?
Kevin Ho retweeted
“The most beautiful thing we can experience is the mysterious. It is the source of all true art and science.”
— Albert Einstein
Kevin Ho retweeted
The hidden architecture of a bird’s voice. 🙌🏻
Did you know a bird's song can be mapped into a mathematical fingerprint? 🧬
This isn't sci-fi; it's the real-time mapping this is a multi-dimensional bioacoustic visualization of a Carolina Wren's song.
By tracking the frequencies, can build a unique radar chart signature for the species. It tracks spectral flatness , entropy, and slope in 3D space to reveal the hidden geometry behind the music.
Nature is literally math in motion.
the video tracks specific spectral features that define the bird's unique Vocal Signature. 🥺
A beautiful reminder of the complexity hiding in everyday sounds.
Kevin Ho retweeted
Cells That Talk in Molecules
Biology Might Be More Programmable Than We Think
A molecular communication system treats signaling molecules like message carriers. One cell releases them into the surrounding fluid, they wander and drift through space, and another cell reads the message by counting fresh binding events at its receptors.
Here, a 1 is sent as a burst of molecules during a symbol window, while a 0 is sent as silence. Before the real payload, we send a short pilot pulse so the receiver can calibrate the channel and line up its sampling time. Decoding is then based on new receptor-binding arrivals, passed through a matched filter, rather than just watching slow receptor occupancy. That makes the symbols cleaner to separate, even with noise, delay, and intersymbol interference in the medium.
Kevin Ho retweeted
Magic
Had to jump in and experiment with @_chenglou's Pretext. BioMap is a 52 biomarker blocks that expand as you explore, reflowing text across every block every frame.
0.04ms for all 52 layouts only possible with Pretext turning text measurement into pure math. No DOM reads, no reflows.
kevinho.com/experiments/biom…
Kevin Ho retweeted
Another brilliant example of how pretext can deliver smooth, real-time content manipulation in an interface that actually makes sense!
Had to jump in and experiment with @_chenglou's Pretext. BioMap is a 52 biomarker blocks that expand as you explore, reflowing text across every block every frame.
0.04ms for all 52 layouts only possible with Pretext turning text measurement into pure math. No DOM reads, no reflows.
kevinho.com/experiments/biom…
Kevin Ho retweeted
Data visualization will not be the same
Had to jump in and experiment with @_chenglou's Pretext. BioMap is a 52 biomarker blocks that expand as you explore, reflowing text across every block every frame.
0.04ms for all 52 layouts only possible with Pretext turning text measurement into pure math. No DOM reads, no reflows.
kevinho.com/experiments/biom…
Kevin Ho retweeted
Whoa, this is insane—exactly what I need! How did no one think of this before? My respect
Kevin Ho retweeted
A BioMap that allows you to submit your own blood work. Interesting project @kho
Kevin Ho retweeted
I just mapped 38 biomarkers. Here’s my BioMap — an interactive visualization of my bloodwork. ottolab.com/u/ed57dbad-14f6-…
Kevin Ho retweeted
POV :
Each day of our lives we make deposits in the memory banks of our children.
Whatever this is so cute & adorable !
Kevin Ho retweeted
Healthcare AI will be bigger than legal AI, bigger than coding AI. But most investors still dont see it. Heres the math that changes everything 🧵
Kevin Ho retweeted
Startups have extreme highs and brutal lows. For me, the clarity of what I'm building makes hard days survivable.
Kevin Ho retweeted
PMs don’t just ship features. They kill them. Shipping isn’t the job. Shipping the right product is. A great PM doesn’t fall in love with the roadmap. They fall in love with the problem and have the guts to say: This isn’t solving it. This adds complexity. This doesn’t matter. Every feature, setting, UI, element should fight to exist.
At Nest, we had one rule:
If you can’t explain why it matters, it doesn’t ship.
You had to tell us the why.
The reason a real person would care.
That one rule killed dozens of features.
Kevin Ho retweeted
Stick a fork in it.
Peter Steinberger is joining OpenAI to drive the next generation of personal agents. He is a genius with a lot of amazing ideas about the future of very smart agents interacting with each other to do very useful things for people. We expect this will quickly become core to our product offerings.
OpenClaw will live in a foundation as an open source project that OpenAI will continue to support. The future is going to be extremely multi-agent and it's important to us to support open source as part of that.
