Duolingo CEO Luis Von Ahn wants you addicted to learning

3459.514 - 3483.595 Luis Von Ahn

know the time scale here is years you can plot how effective duolingo is and if you look at it over the last 10 years duolingo is clearly more every year it is more effective than the previous year for sure on this test space yeah yeah basically more people are passing the test more people are getting higher scores in the test i mean basically people are learning more on duolingo every year.