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
He is an Guatemalan entrepreneur and a consulting professor in the computer science department at careenage Mellon university . also a pioneer of crowdsourcing.
The original maker was Luis Von Ahn, along with graduate student Severin Hacker, and developed along with Atonio Navas, Vicki Cheung, Marsel Uekermann, Brendan Meeder, Hector Villafuerte, and Jose Fuentes.
I think it was 2009.Duolingo was awarded in 2015 for it's activities in learning.They started an offline learning private sector ( optional ) for $10 a month.Session generator was added in 2017.Duolingo has 80% users on desktop,while 20% on mobile app users.