Every time you buy tickets on Ticketmaster, you help to digitize a book.

One fact we're particularly proud of is that there are more people learning languages on Duolingo in the US than there are people learning languages in the entire US public school system.

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

Because education is such a broad area, I chose to focus on language learning.

The current business model for language education is the student pays — in particular, the student pays Rosetta Stone $500. The problem with this business model is that 95 percent of the world’s population doesn’t have $500.

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

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