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Luis von AhnCarnegie Mellon University
CAPTCHArt
Church of Inglip
950,000,000(~13% of the world’s popula9on)
?
100 millionpeople translating the web to every major language for free
This is ques8on, English is faulty. Thank computer to translate to help. SORRY!!!!!
How many 8mes like the wind, a pole, and the dragon?
This insult to father's stones?
Please apologize for your stupidity. There are a many thank you
At oJen, the goat-‐8me install a error is vomit.
100 millionpeople translating the web to every major language for free
Mo8va8on
Lack of bilinguals1
2
ObstaclesLanguage Transla7on
1,200,000,000people around the world
paid > $500 for softwareOver 5 million
Learning a New Language
Language transla8on is needed
1
One billion people are learning a new language
2
1 2+Can language students do the transla8on?
learn a new language while simultaneouslytranslating the Web
Monthly Ac7ves
0
40,000
80,000
120,000
160,000
200,000
February March April May June
This is probably the single greatest thing currently on the internet.
“”
In the past two days I've learned more from Duolingo than RoseRa Stone in over a month of use.
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duolingo my true love, I'm going to bed now, without you. I'll dream about you, about how we're going to unite one day and how we're going to live happily ever aJer and how we will celebrate our love by producing many polyglot kids.
duolingo my true love, I'm going to bed now, without you. I'll dream about you, about how we're going to unite one day and how we're going to live happily ever aJer
duolingo my true love, I'm going to bed now, without you. I'll dream about you, about how we're going to unite one day
duolingo my true love, I'm going to bed now, without you. I'll dream about you, duolingo my true love, I'm going to bed now, without you.duolingo my true love,“
”
Learning With Real Content
Professional transla7on (20¢/word)
If Pakistan's history is an indicator, Musharraf's decision to impose mar7al law could be the proverbial straw that breaks the camel's back.
If Pakistan's history is any indicator, Musharraf's decision to impose mar7al law may prove to be the proverbial straw that breaks the camel's back.
Duolingo transla7on
Accurate Transla7ons
vs
Harrison Ford turns 70 on July 13. Here is a look back at the actor, producer, and the man who will forever be "Han Solo."
Task Rou7ng
Here is a look back at the actor, producer, and the man who will forever be "Han Solo."
Harrison Ford turns 70 on July 13.
Difficulty: 2
Difficulty: 5
Experts
Beginners
Harrison Ford turns 70 on July 13.
cumplecruza
Harrison Ford cumple 70 el 13 de Julio.
Business Model for
FairEduca9on
