David Klionsky

David Klionsky

Staff Software Engineer, Duolingo
149 points
All activity
David Klionsky
Tinycards by Duolingo
Tinycards by Duolingo
The future of learning with flashcards, by Duolingo
David Klionsky

Tinycards by Duolingo
Tinycards by Duolingo
The future of learning with flashcards, by Duolingo