How DuoLingo

[duolinguo]

So how do you guys make a profit from this website if it's free?

[liamtbrand]

It's like recaptcha, you should look at Luis' TED talk: http://www.youtube.com/watch?v=cQl6jUjFjp4

[rspreng]

Apparently, They sell translation services.

[Quazar]

We the students make the money for them helping to translate the web into other languages we are learning.

[E-----F]

thats right!!!

[deactivated user]

In the immersion category, people pay for their documents to be translated. We translate them for education purposes, and Duolingo makes profit once the document is fully translated.