# Conor Walsh

[**Keeping you at the frontier of learning with adaptive lessons**](https://blog.duolingo.com/keeping-you-at-the-frontier-of-learning-with-adaptive-lessons/)

[**Back from the brink: What Duolingo learned about its resurrected users**](https://blog.duolingo.com/back-from-the-brink-what-duolingo-learned-about-its-resurrected-users/)