Tim Ferriss: Bestselling Author, Human Guinea Pig

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#135: Luis Von Ahn on Learning Languages, Building Companies, and Changing the World

The Tim Ferriss Show

Tim Ferriss is a self-experimenter and bestselling author, best known for The 4-Hour Workweek, which has been translated into 40+ languages. Newsweek calls him "the world's best human guinea pig," and The New York Times calls him "a cross between Jack Welch and a Buddhist monk." In this show, he deconstructs world-class performers from eclectic areas (investing, chess, pro sports, etc.), digging deep to find the tools, tactics, and tricks that listeners can use.

Luis von Ahn (@luisvonahn) is an entrepreneur and computer science professor at Carnegie Mellon University. He is known for inventing CAPTCHAs, being a MacArthur Fellow ("genius grant" recipient), and selling two companies to Google in his 20's. Luis has been named one of the 10 Most Brilliant Scientists by Popular Science Magazine, one of the 50 Best Brains in Science by Discover, one of the Top Young Innovators Under 35 by MIT Technology Review, and one of the 100 Most Innovative People in Business by FastCompany Magazine. Luis is currently the co-founder and CEO of Duolingo, a language learning platform created to bring free language education to the world. With more than 100 million users, it is the most popular way to learn languages in the world, and it is the most downloaded app in the Education category on both iTunes (5-star average, 3,300+ reviews) and Google Play. I first met Luis as an early investor in Duolingo, and every time I meet him, I learn something new. In this conversation, we talk about: What 2-3 books and resources he'd recommend to entrepreneurs Language learning tips The clever way he caught cheating students at Carnegie Mellon Early mentors and key lessons learned The story of building and selling reCAPTCHA How to recruit and vet technical talent Duolingo's most surprising sources of users, and much more... Enjoy! Show notes and links for this episode can be found at www.fourhourworkweek.com/podcast. This podcast is brought to you by 99Designs, the world's largest marketplace of graphic designers. I have used them for years to create some amazing designs. When your business needs a logo, website design, business card, or anything you can imagine, check out 99Designs. I used them to rapid prototype the cover for The 4-Hour Body, and I've also had them help with display advertising and illustrations. If you want a more personalized approach, I recommend their 1-on-1 service. You get original designs from designers around the world. The best part? You provide your feedback, and then you end up with a product that you're happy with or your money back. Click this link and get a free $99 upgrade. Give it a test run. This episode is also brought to you by Headspace, the world’s most popular meditation app (more than 4,000,000 users). It’s used in more than 150 countries, and many of my closest friends swear by it. Try Headspace’s free Take10 program — 10 minutes of guided meditation a day for 10 days. It’s like a warm bath for your mind. Meditation doesn’t need to be complicated or expensive, and it’s had a huge impact on my life. Try Headspace for free for a few days and see what I mean.***If you enjoy the podcast, would you please consider <a href="https://podcasts.apple.com/us/podcast/the-tim-ferriss-show/id863897795?mt=2" rel="noopener noreferrer" target="_blank">leaving a short review on Apple Podcasts</a>/iTunes? It takes less than 60 seconds, and it really makes a difference in helping to convince hard-to-get guests. I also love reading the reviews!For show notes and past guests, please visit <a href="https://tim.blog/podcast/?utm_source=podcast&utm_medium=podcast&utm_campaign=podcast-description" rel="noopener noreferrer" target="_blank">tim.blog/podcast</a>.Sign up for Tim’s email newsletter (“5-Bullet Friday”) at <a href="https://go.tim.blog/5-bullet-friday-1/" rel="noopener noreferrer" target="_blank">tim.blog/friday</a>.For transcripts of episodes, go to <a href="http://tim.blog/transcripts" rel="noopener noreferrer" target="_blank">tim.blog/transcripts</a>.Interested in sponsoring the podcast? Visit <a href="http://tim.blog/sponsor" rel="noopener noreferrer" target="_blank">tim.blog/sponsor</a> and fill out the form.Discover Tim’s books: <a href="http://tim.blog/books" rel="noopener noreferrer" target="_blank">tim.blog/books</a>.Follow Tim:Twitter: <a href="https://twitter.com/tferriss" rel="noopener noreferrer" target="_blank">twitter.com/tferriss</a> Instagram: <a href="https://instagram.com/timferriss/" rel="noopener noreferrer" target="_blank">instagram.com/timferriss</a>Facebook: <a href="https://www.facebook.com/TimFerriss/" rel="noopener noreferrer" target="_blank">facebook.com/timferriss</a> YouTube: <a href="https://www.youtube.com/timferriss" rel="noopener noreferrer" target="_blank">youtube.com/timferriss</a>Past guests on <a href="http://tim.blog/podcast" rel="noopener noreferrer" target="_blank">The Tim Ferriss Show</a> include <a href="https://tim.blog/2020/12/08/jerry-seinfeld/" rel="noopener noreferrer" target="_blank">Jerry Seinfeld</a>, <a href="https://tim.blog/2020/06/26/hugh-jackman/" rel="noopener noreferrer" target="_blank">Hugh Jackman</a>, <a href="https://tim.blog/2020/04/16/jane-goodall/" rel="noopener noreferrer" target="_blank">Dr. Jane Goodall</a>, <a href="https://tim.blog/2018/11/27/lebron-james-mike-mancias/" rel="noopener noreferrer" target="_blank">LeBron James</a>, <a href="https://tim.blog/2020/05/20/kevin-hart/" rel="noopener noreferrer" target="_blank">Kevin Hart</a>, <a href="https://tim.blog/2018/09/07/doris-kearns-goodwin-leadership/" rel="noopener noreferrer" target="_blank">Doris Kearns Goodwin</a>, <a href="https://tim.blog/2015/12/06/jamie-foxx/" rel="noopener noreferrer" target="_blank">Jamie Foxx</a>, <a href="https://tim.blog/2020/10/19/matthew-mcconaughey/" rel="noopener noreferrer" target="_blank">Matthew McConaughey</a>, <a href="https://tim.blog/2017/05/21/esther-perel/" rel="noopener noreferrer" target="_blank">Esther Perel</a>, <a href="https://tim.blog/2020/05/08/elizabeth-gilbert/" rel="noopener noreferrer" target="_blank">Elizabeth Gilbert</a>, <a href="https://tim.blog/2017/12/20/terry-crews-how-to-have-do-and-be-all-you-want/" rel="noopener noreferrer" target="_blank">Terry Crews</a>, <a href="https://tim.blog/2020/08/12/sia/" rel="noopener noreferrer" target="_blank">Sia</a>, <a href="https://tim.blog/2020/10/27/yuval-noah-harari/" rel="noopener noreferrer" target="_blank">Yuval Noah Harari</a>, <a href="https://tim.blog/2016/06/21/malcolm-gladwell/" rel="noopener noreferrer" target="_blank">Malcolm Gladwell</a>, <a href="https://tim.blog/2020/05/27/secretary-madeleine-albright/" rel="noopener noreferrer" target="_blank">Madeleine Albright</a>, <a href="https://tim.blog/2017/03/30/cheryl-strayed/" rel="noopener noreferrer" target="_blank">Cheryl Strayed</a>, <a href="https://tim.blog/2019/02/18/jim-collins/" rel="noopener noreferrer" target="_blank">Jim Collins</a>, <a href="https://tim.blog/2020/11/11/mary-karr/" rel="noopener noreferrer" target="_blank">Mary Karr,</a> <a href="https://tim.blog/2014/10/21/brain-pickings/" rel="noopener noreferrer" target="_blank">Maria Popova</a>, <a href="https://tim.blog/2020/05/15/sam-harris-2/" rel="noopener noreferrer" target="_blank">Sam Harris</a>, <a href="https://tim.blog/2021/01/21/michael-phelps-grant-hackett/" rel="noopener noreferrer" target="_blank">Michael Phelps</a>, <a href="https://tim.blog/2020/01/16/bob-iger/" rel="noopener noreferrer" target="_blank">Bob Iger</a>, <a href="https://tim.blog/2019/10/31/edward-norton-motherless-brooklyn/" rel="noopener noreferrer" target="_blank">Edward Norton</a>, <a href="https://tim.blog/2015/02/02/arnold-schwarzenegger/" rel="noopener noreferrer" target="_blank">Arnold Schwarzenegger</a>, <a href="https://tim.blog/2014/06/24/neil-strauss/" rel="noopener noreferrer" target="_blank">Neil Strauss</a>, <a href="https://tim.blog/2019/09/12/ken-burns/" rel="noopener noreferrer" target="_blank">Ken Burns</a>, <a href="https://tim.blog/2017/08/26/maria-sharapova/" rel="noopener noreferrer" target="_blank">Maria Sharapova</a>, <a href="https://tim.blog/2016/05/29/marc-andreessen/" rel="noopener noreferrer" target="_blank">Marc Andreessen</a>, <a href="https://tim.blog/2019/03/28/neil-gaiman/" rel="noopener noreferrer" target="_blank">Neil Gaiman</a>, <a href="https://tim.blog/2019/10/03/neil-degrasse-tyson/" rel="noopener noreferrer" target="_blank">Neil de Grasse Tyson</a>, <a href="https://tim.blog/2016/09/21/jocko-willink-on-discipline-leadership-and-overcoming-doubt/" rel="noopener noreferrer" target="_blank">Jocko Willink</a>, <a href="https://tim.blog/2020/12/03/daniel-ek/" rel="noopener noreferrer" target="_blank">Daniel Ek</a>, <a href="https://tim.blog/2020/09/08/kelly-slater/" rel="noopener noreferrer" target="_blank">Kelly Slater</a>, <a href="https://tim.blog/2019/11/27/peter-attia-fasting-metformin-longevity/" rel="noopener noreferrer" target="_blank">Dr. Peter Attia</a>, <a href="https://tim.blog/2016/02/10/seth-godin/" rel="noopener noreferrer" target="_blank">Seth Godin</a>, <a href="https://tim.blog/2018/09/25/howard-marks/" rel="noopener noreferrer" target="_blank">Howard Marks</a>, <a href="https://tim.blog/2020/02/06/brene-brown-striving-self-acceptance-saving-marriages/" rel="noopener noreferrer" target="_blank">Dr. Brené Brown</a>, <a href="https://tim.blog/2019/04/09/eric-schmidt/" rel="noopener noreferrer" target="_blank">Eric Schmidt</a>, <a href="https://tim.blog/2020/05/01/michael-lewis/" rel="noopener noreferrer" target="_blank">Michael Lewis</a>, <a href="https://tim.blog/2018/03/08/joe-gebbia-co-founder-of-airbnb/" rel="noopener noreferrer" target="_blank">Joe Gebbia</a>, <a href="https://tim.blog/2018/05/06/michael-pollan-how-to-change-your-mind/" rel="noopener noreferrer" target="_blank">Michael Pollan</a>, <a href="https://tim.blog/2021/03/01/jordan-peterson/" rel="noopener noreferrer" target="_blank">Dr. Jordan Peterson</a>, <a href="https://tim.blog/2017/05/31/vince-vaughn/" rel="noopener noreferrer" target="_blank">Vince Vaughn</a>, <a href="https://tim.blog/2020/04/23/brian-koppelman/" rel="noopener noreferrer" target="_blank">Brian Koppelman</a>, <a href="https://tim.blog/2019/05/07/ramit-sethi/" rel="noopener noreferrer" target="_blank">Ramit Sethi</a>, <a href="https://tim.blog/2020/11/18/dax-shepard/" rel="noopener noreferrer" target="_blank">Dax Shepard</a>, <a href="https://tim.blog/2014/10/15/money-master-the-game/" rel="noopener noreferrer" target="_blank">Tony Robbins</a>, <a href="https://tim.blog/2020/05/18/jim-dethmer/" rel="noopener noreferrer" target="_blank">Jim Dethmer</a>, <a href="https://tim.blog/2020/11/19/dan-harris/" rel="noopener noreferrer" target="_blank">Dan Harris</a>, <a href="https://tim.blog/2017/09/13/ray-dalio/" rel="noopener noreferrer" target="_blank">Ray Dalio</a>, <a href="https://tim.blog/2015/08/18/the-evolutionary-angel-naval-ravikant/" rel="noopener noreferrer" target="_blank">Naval Ravikant</a>, <a href="https://tim.blog/2021/03/08/vitalik-buterin-naval-ravikant/" rel="noopener noreferrer" target="_blank">Vitalik Buterin</a>, <a href="https://tim.blog/2021/03/16/elizabeth-lesser/" rel="noopener noreferrer" target="_blank">Elizabeth Lesser</a>, <a href="https://tim.blog/2019/04/18/amanda-palmer-2/" rel="noopener noreferrer" target="_blank">Amanda Palmer</a>, <a href="https://tim.blog/2021/02/18/katie-haun/" rel="noopener noreferrer" target="_blank">Katie Haun</a>, <a href="https://tim.blog/2017/10/09/richard-branson/" rel="noopener noreferrer" target="_blank">Sir Richard Branson</a>, <a href="https://tim.blog/2020/09/02/chuck-palahniuk/" rel="noopener noreferrer" target="_blank">Chuck Palahniuk</a>, <a href="https://tim.blog/2017/10/18/arianna-huffington/" rel="noopener noreferrer" target="_blank">Arianna Huffington</a>, <a href="https://tim.blog/2015/08/31/the-oracle-of-silicon-valley-reid-hoffman-plus-michael-mccullough/" rel="noopener noreferrer" target="_blank">Reid Hoffman</a>, <a href="https://tim.blog/2017/09/17/bill-burr/" rel="noopener noreferrer" target="_blank">Bill Burr</a>, <a href="https://tim.blog/2015/06/26/whitney-cummings/" rel="noopener noreferrer" target="_blank">Whitney Cummings</a>, <a href="https://tim.blog/2015/05/15/rick-rubin/" rel="noopener noreferrer" target="_blank">Rick Rubin</a>, <a href="https://tim.blog/2020/03/26/vivek-murthy/" rel="noopener noreferrer" target="_blank">Dr. Vivek Murthy</a>, <a href="https://tim.blog/2017/09/09/darren-aronofsky/" rel="noopener noreferrer" target="_blank">Darren Aronofsky</a>, and many more.See Privacy Policy at <a href="https://art19.com/privacy" rel="noopener noreferrer" target="_blank">https://art19.com/privacy</a> and California Privacy Notice at <a href="https://art19.com/privacy#do-not-sell-my-info" rel="noopener noreferrer" target="_blank">https://art19.com/privacy#do-not-sell-my-info</a>.

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#135: Luis Von Ahn on Learning Languages, Building Companies, and Changing the World

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