Yana Welinder

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Yana Welinder

Yana Welinder

@yanabana

Building https://t.co/cV4QIUPozT — AI Couture Founder/CEO @Kraftful (acq by @Amplitude_HQ) @YCombinator & @Harvard alum @Pioneer_Fund SVP, @VCBackedMoms founder, 2X mom

🇸🇪 Swede in San Francisco Katılım Şubat 2011
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Yana Welinder
Yana Welinder@yanabana·
Kraftful has been acquired by @Amplitude_HQ: amplitude.com/blog/amplitude… Our AI product will form a core new VOC part of the Amplitude platform as we announced on stage to the full Amplitude team yesterday. Here’s how we got here... Six years ago, we set out to help teams build products users love. Stepping off the @YCombinator demo day stage, our journey was filled with macro headwinds, setbacks, and pivots. It was a slog. But we learned so much. We finally landed on something truly special two years ago: helping product teams listen to users at scale. Over 50,000 product builders came to rely on our solution. We got named a Most Innovative Company by Fast Company, featured on Masters of Scale, and got some awesome product awards. It was magical to see product people from every type of tech company, major retail brands, car manufacturers, financial institutions, and beyond sign up for Kraftful every day because they heard great things from other products people. Last quarter, we hit record ARR growth — 87%! Things really started taking off. But as a founder, you always want the greatest opportunity for your baby. Talking with @SpenserSkates, @Ajenstat, @dragones, @dazzeloid, and many other Amplitude folks, I realized there’s a much bigger opportunity together. AI has unlocked an entirely new way for teams to perfect products with insights from every feedback channel and user behavior. Together, we’ll make that vision a reality. And frankly, it had to be Amplitude. Back when we started Kraftful, we piped our early data into every analytics platform, hunting for the best insights. Amplitude stood out. Long before they IPO’d and emerged as the clear market leader (Nasdaq: AMPL), it was already obvious in their product. Amplitude was built with the same care and taste that defined our own product journey at Kraftful. Beginning this next chapter, I've been reflecting. The solo founder journey is not for the faint of heart. You're fundraising, building, selling, marketing, hiring, all at the same time. There's no cofounder to step in when you're tired or sick. Eventually, the biggest unlock is building an incredible team and I’m fortunate to have worked with the most amazing team: Renat, Shauna, @spencerpauly, @McIntirec. I'm proud of everything we've built together and excited to continue building at Amplitude. When I shared the news with my son, his response was, “You can’t sell, I have so many great memories of Kraftful!” It makes sense, he was just two when we started. He's never known life without Kraftful. His baby sister was born during a record growth month. I took a single day of mat leave before diving back into putting out fires. We don’t talk enough about how deeply family is involved in building a startup. I’m so grateful for incredible support from @npew, my parents, sister, and the rest of my circle. Huge thanks to @curtisbliu, @paladin314159, @pavan_pati, @DarahEaston, and the rest of the Amplitude team for the warm welcome ❤️ Here's to our next chapter!
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Yana Welinder
Yana Welinder@yanabana·
Women: Make this dress! I want to wear it! Men: Let me tell you all the screwy things this dress reminds me of.
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Ehsan
Ehsan@acadictive·
@yanabana love to have you in my network, also yanabana seems like a very nice product.
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Yana Welinder
Yana Welinder@yanabana·
Perfect Error has been picking up steam on yanabana.com overnight. It just climbed to #2. Maybe not surprising given it’s an AI-rendered design inspired by AI itself. If you zoom in, the texture is inspired by old computer punch cards, one of the first technologies used to make the world quantifiable. Go check out the other designs and vote for your favorite.
Yana Welinder@yanabana

3. Perfect error A reflection of the moment AI started disrupting human creativity. Sharp spirals wrap around the body like generated thoughts unfolding in real time. Precise, distorted, imperfect. The translucent layers expose fragments beneath the surface, echoing systems that almost understand us. Precision interrupted by glitch, structure softened by uncertainty.

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Yana Welinder
Yana Welinder@yanabana·
Every yanabana.com fabric starts from the same base pattern: Mainframe computer punch cards. Here’s why... The original computer punch cards actually came from fashion. Early computers borrowed the idea from the Jacquard loom, a programmable weaving machine from the 1800s that used punched cards to control textile patterns automatically. Ada Lovelace later described computers as “weaving algebraic patterns.” So it felt right that an AI-native fashion brand should begin there. Not with florals. Not with monograms. But with the origin of programmability itself. I also love the aesthetic of the pattern itself: rigid grids, tiny encoded decisions, human creativity compressed into machine-readable form. Most people won’t notice it at first glance. But hidden inside every yanabana.com garment is a reference to the moment humanity first started turning creativity into code.
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Yana Welinder
Yana Welinder@yanabana·
@0interestrates I don’t have this aversion when it’s well written. The problem is that most people copy-pasting AI writing lack taste, so the result feels emotionally dead. If you saw equally ugly code, you’d probably have an aversion to that too.
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rahul
rahul@0interestrates·
why do people (including me) have an aversion to AI writing but not as much to AI code? if a piece of text smells AI i stop reading it but i use things coded entirely with AI every day
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Yana Welinder
Yana Welinder@yanabana·
We parents can’t wait for the @_katetolo + @bryan_johnson baby. There will finally be hard data on: - formula vs. breast milk - sleep training - screen time The most studied baby in history is coming. Hurry up and procreate, team.
Bryan Johnson@bryan_johnson

We now have a female Bryan Johnson. It’s Kate Tolo. She will become the most measured female in history. +$2 million of spend per year + Developing a female-specific protocol + Sharing everything for free To start, she will spend 3 months mapping her baseline. Men, in contrast, can get their baseline done in 1 or 2 weeks. + 3 months for baseline measurement + across 4 time points per cycle + doing the same thing every day + a dedicated full-time medical team For context on the extensiveness of measurement, during the past 5 years, we’ve collected 1.5 billion data points on my body. I suspect Kate will exceed that given technology has improved since I started. The goal is to create a repeatable waveform of hundreds of life-critical biomarkers. Once the baseline is acquired, she will begin interventions. We will try to answer practically useful questions and share all of the data + learnings for free. Can fertility be improved? + Should women cold plunge? + Can PMS symptoms be alleviated? + What should a female sauna protocol be? + Should dosage change throughout the month? + What keeps a cycle regular? + Does the body need more iron, magnesium, or protein at specific phases? + Should women fast? + Should recovery protocol change by phase? + What's the earliest detectable signal of perimenopause? + Can perimenopause be slowed? + How is cognitive load & mood affected? + Does stress impact men and women the same? Kate has suspected endometriosis. 10% of all women do. We will try to tackle this too. I am excited for all of the surprising things we will hopefully uncover. Unlike me, Kate does not have the innate desire to wake up at 4:30am and do six hours of longevity therapies. She’s the cofounder of Blueprint, building in the trenches with me since day one. She understands the game and how hard it is. In many ways, this is a sacrifice for her. She is a creative person, going from a life of freedom and spontaneity to a rigid protocol. Traditionally, RCTs have been viewed as the gold standard. But RCTs have underserved women. The FDA banned women from clinical trials for 16 years (1977 to 1993), and most "medicine for women" is still medicine tested in men. Demanding RCT-only evidence for women's health is demanding evidence that doesn't exist. There is not enough practical scientific literature for women to reference only RCTs. It leaves half the population without a path to know what to do. N=1 medicine is gaining ground and picking up where RCTs specifically fail. Individual science experiments give us signals that answer what to do on a day-to-day basis. This is even more important for women. If you’re new to Kate and my world, I want you to understand that we have your back. Our intentions are to be a sturdy, reliable force in your life. To care for your best interest as we’d care for our own. We want what’s best for you and our loyalty is to your existence. It’s pretty cool to be living in a time when we may be the first generation to not die. I’m not suggesting immortality, but lifespans so long that we stop thinking about lifespans. At the end of the day, the one thing we each care about more than anything else is one more breath. I’m proud of Kate for taking on this responsibility. It’s painful, exhausting and costly. The beginning of the world’s first n=2.

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Robert Bye
Robert Bye@RobertJBye·
Me: why isn’t my MacBook charging Also me:
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Yana Welinder
Yana Welinder@yanabana·
@bryan_johnson @_katetolo This is awesome! We parents also can’t wait for the Kate + Bryan baby! There will finally be hard data on: - formula vs. breast milk - sleep training - screen time The most studied baby in history is coming. Hurry up and procreate, team.
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Bryan Johnson
Bryan Johnson@bryan_johnson·
We now have a female Bryan Johnson. It’s Kate Tolo. She will become the most measured female in history. +$2 million of spend per year + Developing a female-specific protocol + Sharing everything for free To start, she will spend 3 months mapping her baseline. Men, in contrast, can get their baseline done in 1 or 2 weeks. + 3 months for baseline measurement + across 4 time points per cycle + doing the same thing every day + a dedicated full-time medical team For context on the extensiveness of measurement, during the past 5 years, we’ve collected 1.5 billion data points on my body. I suspect Kate will exceed that given technology has improved since I started. The goal is to create a repeatable waveform of hundreds of life-critical biomarkers. Once the baseline is acquired, she will begin interventions. We will try to answer practically useful questions and share all of the data + learnings for free. Can fertility be improved? + Should women cold plunge? + Can PMS symptoms be alleviated? + What should a female sauna protocol be? + Should dosage change throughout the month? + What keeps a cycle regular? + Does the body need more iron, magnesium, or protein at specific phases? + Should women fast? + Should recovery protocol change by phase? + What's the earliest detectable signal of perimenopause? + Can perimenopause be slowed? + How is cognitive load & mood affected? + Does stress impact men and women the same? Kate has suspected endometriosis. 10% of all women do. We will try to tackle this too. I am excited for all of the surprising things we will hopefully uncover. Unlike me, Kate does not have the innate desire to wake up at 4:30am and do six hours of longevity therapies. She’s the cofounder of Blueprint, building in the trenches with me since day one. She understands the game and how hard it is. In many ways, this is a sacrifice for her. She is a creative person, going from a life of freedom and spontaneity to a rigid protocol. Traditionally, RCTs have been viewed as the gold standard. But RCTs have underserved women. The FDA banned women from clinical trials for 16 years (1977 to 1993), and most "medicine for women" is still medicine tested in men. Demanding RCT-only evidence for women's health is demanding evidence that doesn't exist. There is not enough practical scientific literature for women to reference only RCTs. It leaves half the population without a path to know what to do. N=1 medicine is gaining ground and picking up where RCTs specifically fail. Individual science experiments give us signals that answer what to do on a day-to-day basis. This is even more important for women. If you’re new to Kate and my world, I want you to understand that we have your back. Our intentions are to be a sturdy, reliable force in your life. To care for your best interest as we’d care for our own. We want what’s best for you and our loyalty is to your existence. It’s pretty cool to be living in a time when we may be the first generation to not die. I’m not suggesting immortality, but lifespans so long that we stop thinking about lifespans. At the end of the day, the one thing we each care about more than anything else is one more breath. I’m proud of Kate for taking on this responsibility. It’s painful, exhausting and costly. The beginning of the world’s first n=2.
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Yana Welinder
Yana Welinder@yanabana·
@thestefanl Good idea! Will think about how to show the full process. The sketches are there if you hover over the pictures btw
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stefan
stefan@thestefanl·
forgot to add that i really think you should add your sketches to each dress. youre super talented, so this would be much more engaing to see the whole process. just a thought maybe a short video of you drawing then using tools to make them come to digital life? so many cool things you can do. maybe animate your drawings almost like a movie? ok, im gonna stop now, this is getting out of hand, but this could be sooo cool yana. your new site is pretty similar to ours btw 😀 spark.gives
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stefan
stefan@thestefanl·
@yanabana seems awesome. not like bound to claude, so would be happy to try it. still love cursor but like the combo of chatting and coding. tbh, think openai has a better model for what i do too.
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Yana Welinder
Yana Welinder@yanabana·
A robotic voice was coming from someone’s phone at the store. I naturally assumed they were asking AI what to buy. Turns out they were just on FaceTime 🤦🏻‍♀️
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