I watch a lot of TV. That's how I spend most of my time outside of work. If I had more time, I would fill it 100 percent with watching TV.

[Captchas] are not only annoying, but they kill 10 seconds of your time.

I am an early riser, and always wake up between 5 and 6am.

People are good at figuring out what's attractive, and computers are good at quickly searching and finding. You put them together, and bang!

I co-founded Duolingo with the mission of bringing free language education to the world.

I finished reading High Output Management by Andrew Grove, which had such valuable insights for leaders that I've been forcing managers at Duolingo to read the book.

I am always able to keep a laser focus on one thing at a time without getting distracted. It helps that I try to break everything I do into small, achievable tasks.