MASSIVE SCALE ONLINE COLLABORATION LUIS VON AHN

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Massive-scale online collaboration | Luis von Ahn

Massive-scale online collaboration | Luis von Ahn

http://www.ted.com After re-purposing CAPTCHA so each human-typed response helps digitize books, Luis von Ahn wondered how else to use small ...

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Massive-scale online collaboration - Luis von Ahn

Massive-scale online collaboration - Luis von Ahn

After re-purposing CAPTCHA so each human-typed response helps digitize books, Luis von Ahn wondered how else to use small contributions by many on the ...

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Duolingo -- the next chapter in human computation | Luis von Ahn | TEDxCMU 2011

Duolingo -- the next chapter in human computation |  Luis von Ahn | TEDxCMU 2011

Luis von Ahn, the man who brought the world CAPTCHA and reCAPTCHA unveiled his newest and most innovative project to date: Duolingo. How can you ...

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EFFICIENCY IN ALGORITHMS? Ft. Luis von Ahn, Founder & CEO of reCAPTCHA & Duolingo

EFFICIENCY IN ALGORITHMS? Ft. Luis von Ahn, Founder & CEO of reCAPTCHA & Duolingo

Since the term "crowd-sourcing" was coined almost a decade ago, the phenomenon has expanded from narrow problem-solving into a new way of life. Millions ...

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TEDxMidAtlantic 2011 - Luis von Ahn - Translating the Web Into Every Language

TEDxMidAtlantic 2011 - Luis von Ahn - Translating the Web Into Every Language

Luis von Ahn is an entrepreneur and an associate professor in the Computer Science Department at Carnegie Mellon University. He is the founder of ...

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The Future of One-on-One Education, with Duolingo's Luis von Ahn

The Future of One-on-One Education, with Duolingo's Luis von Ahn

It's been proven that students taught by a personal tutor perform two standard deviations higher than those in a classroom. Luis von Ahn wants to replicate this ...

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Utilizando el poder de millones de mentes humanas | Luis von Ahn | TEDxRíodelaPlata

Utilizando el poder de millones de mentes humanas | Luis von Ahn | TEDxRíodelaPlata

Para más charlas de TEDxRíodelaPlata visitar http://www.tedxriodelaplata.org/ Subtítulos en español y en inglés: Sebastián Betti Subtítulos en Portugués: ...

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Duolingo on Track for IPO in a Couple of Years, CEO Says

Duolingo on Track for IPO in a Couple of Years, CEO Says

Oct.04 -- Luis Von Ahn, Duolingo chief executive officer, discusses the business behind the free online education app with Bloomberg's Emily Chang on ...

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Guatemalteco Luis Von Ahn recibe un nuevo reconocimiento en el país

Guatemalteco Luis Von Ahn recibe un nuevo reconocimiento en el país

La Cámara Americana entregó el reconocimiento Eduardo Illescas al creador de Duolingo.

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Using Human Computation and reCAPTCHA to Digitize Old Books, with Luis von Ahn

Using Human Computation and reCAPTCHA to Digitize Old Books, with Luis von Ahn

Back at the beginning of the century, Luis von Ahn helped invent CAPTCHA, the online security device featuring squiggly letters that you have to re-type in order ...

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Luis von Ahn's Captcha and reCaptcha - NOVA ScienceNow

Luis von Ahn's Captcha and reCaptcha - NOVA ScienceNow

How you can help digitize the world's printed books when you login on line. The copyright belongs to NOVA, PBS. Please visit pbs.org for more info. Please ...

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Access for Everyone: A Model for Free Online Learning, with Duolingo's Luis von Ahn

Access for Everyone: A Model for Free Online Learning, with Duolingo's Luis von Ahn

Luis von Ahn describes the model for the free language-learning platform, Duolingo. The idea, he says, goes back to his childhood, where he imagined a model ...

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Duolingo CEO Luis von Ahn on developing a diverse and inclusive workforce

Duolingo CEO Luis von Ahn on developing a diverse and inclusive workforce

Luis von Ahn, CEO and Co-Founder, Duolingo discusses recruiting and retaining a diverse and inclusive workforce, what his company is focusing on in their ...

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A Surprising Effect Motivated Luis von Ahn to Create Language Startup Duolingo | Fortt Knox

A Surprising Effect Motivated Luis von Ahn to Create Language Startup Duolingo | Fortt Knox

Luis von Ahn is familiar with the idea that education is a great equalizer, but the reality he's observed is different. More often than not, the opportunity for an ...

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What's Your Idea of a Free Gym? - Luis von Ahn | SDF2014

What's Your Idea of a Free Gym? - Luis von Ahn | SDF2014

Creator of CAPTCHA & reCAPTCHA Luis von Ahn tells us his childhood idea of a free gym that propelled the development of the popular free language learning ...

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