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 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.

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.

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

My ultimate research goal is to transform our human existence to just eating, sleeping, drinking, playing - nevermind.

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

Together with my advisor, Manuel Blum, I co-invented CAPTCHAs, or computer-generated tests that humans are routinely able to pass but that computers have not mastered (they are the squiggly computer letters that are prevalent across the web).