Who is the origanal maker of Duolingo?
And I would like to know know what year and how many/what languages he/she spoke!! thanks!! :D
The founder is Luis Von Ahn, and his profile is here: https://www.duolingo.com/Luis
He states here that he speaks Spanish, some Portuguese, and English: https://www.quora.com/What-languages-does-Luis-Von-Ahn-speak