von ahn

Duolingo Raises $15M Series B Round Led By NEA, Will Expand To More Languages And To Mobile Soon

Sep 17, 2012 Frederic Lardinois

<a target="_blank" href="http://duolingo.com">Duolingo</a>, the language learning and crowd-sourced translation service founded by <a target="_blank" href="http://www.google.com/recaptcha">reCAPTCHA</