A collection of 12 posts
February 21, 2020
Duolingo Stories: The journey to Android
February 3, 2020
Improving how Duolingo teaches Chinese—and other languages!
September 19, 2019
How cohorts and correlations help us better understand our learners
September 9, 2019
How we're improving Duolingo's course creation process
September 4, 2019
Tough it up: Bringing hard mode to Duolingo lessons
September 14, 2018
Partial credit: Improvements to Duolingo's placement test
August 10, 2018
How does Duolingo measure learning?
September 29, 2017
How I saved Duolingo $40,000/year in my summer internship
August 30, 2017
Back from the brink: What Duolingo learned about its resurrected users
August 16, 2017
Insights from Tinycards to help you achieve flashcard fame
August 7, 2017
How to travel with Duolingo
August 30, 2016
For which courses do students make the most progress?
August 19, 2020
How well does Duolingo work?
June 30, 2020
Camp Duo 2020: Language learning in your own backyard