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HOW I BUILT THIS WITH GUY RAZHOSTED BYGUY RAZ | WONDERY

Guy Raz interviews the world’s best-known entrepreneurs to learn how they built their iconic brands. In each episode, founders reveal deep, intimate moments of doubt and failure, and share insights on their eventual success. How I Built This is a master-class on innovation, creativity, leadership and how to navigate challenges of all kinds.

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Wondery Plus subscribers can listen to how I built this early and ad free right now. Join Wondery Plus in the Wondery app or on Apple Podcasts. Audible is the home of storytelling and it lets you enjoy all of your audio entertainment in one app. You'll always find the best of what you love or something new to discover. As an Audible member, you can choose one title a month to keep from their entire catalog, including the latest bestsellers and new releases. In fact, I've been really into thrillers and true crime lately and I just got back from a long car trip where I was listening to the latest zombie fallout book bridging the gap. And I swear, I had to keep checking the back seat for any glowing eyes as I drove home on that deserted highway. In fact, on so many of my journeys, Audible is there for me with comedy, bestsellers, history, exclusive originals, and more. New members can try Audible free for 30 days. Visit audible.com/builtortextbuiltto 505100. That's audible.com/built or text built to 505100. We've all been there. Maybe we used 1 or 2 misleading words in a shared document. And then the whole team spends a lot of wasted time trying to get on the same page. But we don't need to make those mistakes. Grammarly is a trusted AI writing partner that saves your company from miscommunication and all of the wasted time and money that goes with it. I spend a lot of time writing. I write scripts, emails, speeches, proposals, you name it. And Grammarly helps me find the right tone. It does so much more than correct grammar. It's almost like a trusted writing partner. And when every word your team writes is clear, concise and on brand, everything gets better. Teams that communicate better with Grammarly report 52% less time spent writing sales emails and 66% less time spent editing marketing content.

To those diets. And while I pretty much eat everything these days, those diets have really helped me organize the way I cook, and I should mention here, in our family, I do all the cooking, but it means I get a free pass when it comes to the dishes. Anyway, back in 2014, when I was trying to eat a strictly paleo diet, I came across a cookbook called again all grain. And that book completely blew my mind because it was full of recipes I could cook for my whole family and eat a grain free, dairy free sugar free diet. The book's author Daniel Walker wrote the book because she struggled with an autoimmune condition called ulcerative colitis, and she found that changing her diet in a pretty dramatic way allowed her to control the symptoms. Over the next few years, Danielle built her brand of cooking into a business a business that today publishes cookbooks, sells spices, offers cooking courses, and much more. Her newest cookbook is called Healthy in a hurry, and a lot of the recipes are inspired by her grandma's recipes. You know, I grew up in a family that used food to gather. My grandmother, my dad's mom, is Italian. We grew up in the Bay Area, and she regularly from the moment that I can remember hosted huge gatherings, fifty, sixty people. She would cook everything from scratch There were no potlucks at grandma Margin's house. And, you know, she didn't take shortcuts. She made everything from scratch, and she always prepared multiple proteins and multiple sides so that anybody that came into her house could eat. My mom worked, and I also grew up in the nineties. So it was a lot more kind of convenience items, casseroles that were thrown together with some things from the pantry, but every Sunday we sat down together. So, you know, I was in the kitchen, definitely a lot. From a pretty early age, making whether it was, like, taco Sunday or making a cast

Kind of what we might now now call a crude video. It's just very simply shot. You're like in your little studio, apartment, kitchen, whatever it was. Yeah. Here's a idea for a relatively simple Halloween costume. So basically white shirt. Yeah. So basically, I wanted to make a Halloween costume where it looked like you had a hole in your body. So I was thinking like, oh, a video camera on 1 and then a screen and then a video camera on the back and a screen. And if you were to combine those feeds, you know, what you see on the front will be projected on the back. So if you waved your hand in front of your stomach, the camera would film that, and it would display it on the back. So it would look like you literally had a hole in your body. You were just looking right through your body. That's right. And you had a hole. And then I had that idea for, like, 2 years. And then when the iPad came out, I was like, there it is. This is it. Cut a hole in the front, cut a hole in the back, and then you use some fake blood. And so if I use 2 iPads. And then basically, duct tape an iPad to the front and an iPad to the back, and then start a FaceTime video chat, and kinda looks like you got a hole in your body. So you see, it looks like you're looking through your body. Exactly. And so I took that costume to, like, our Halloween party, and everyone loved it. And I was like, you know what? Like, my goal, my life goal, was to be on the featured on the blog Gizmodo. Yeah. That if I could do that, I I would have made it. And so I was like, this is my chance. There's this kind of newish website called YouTube. I should upload this video there. And the next day, it had, like, a 1000000 views. It was on the front page of cnn. Com. Yep. But you just put this up there because you thought it was funny or interesting. That that was it. That was the only Yeah. And I wanted to get on Gizmodo, guys. I guess, did you get on Gizmodo? Heck, yeah. I got on Gizmodo. Vision accomplished. I'd peaked. You know. Dude, yeah. But but, truthfully, it was, like, it was such a fun experience.

Yeah. It was a it was a long standing problem in artificial intelligence. In a game like chess, the number of possible moves is not so great that you can actually use brute force computation, more or less, to actually search through all the space of possibilities of which moves, which counter moves, and and so on and find very good combinations. Yeah. In the game of Go, that's much more difficult because the board is much, much larger, and there's a much larger number of possibilities at each point. So when you start looking through the trees of different possible moves, it exponentially grows at a much, much faster rate. And so this basically tripped up all the more brute force approaches to search and planning that would try to play this game well. So we had to come up with something new. And what we did is we actually blended together, search techniques, something called MCTS, with deep learning. And the deep learning would actually learn two things. It would learn which moves were likely to be good moves just by looking at the patterns on the board using a deep neural network, and it would also learn, given a certain state of the game, who is more likely to win or lose. And then what we would do is we'd get our our AI system to play against itself, and as it would win or lose games, it would take that signal, and then it would apply these learning algorithms to improve these deep learning networks. So they become better and better at anticipating which are the likely good moves, and at any given point in time, who which of the 2 players was most likely to win the game. Now if you combine that with the search, then you start having a very, very powerful algorithm that most has this sort of classical search with this sort of slightly more intuitive deep learning aspect where it's kind of picking up subtle patterns in the game and trying to figure out, you know, which way it's going based on sort of these more subtle structures and so on.

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