Smash Notes

Back to Luis von Ahn - Founder of Recaptcha and Duolingo, with Luis von Ahn.

Who Invented Captcha

At some point, Luis found out that Yahoo had a problem with spammers who were abusing their systems and Yahoo had no way to stop them. Luis and his advisor invented Captcha to stop these spammers.

Transcript

Luis von Ahn - Founder of Recaptcha and Duolingo ·

From Scratch with Jessica Harris

More from this episode

  1. What Are Games With PurposeThese are games that humans play willingly and in the process help computers to solve problems that computers cannot solve otherwise.
  2. Did Captcha Ever Make Any MoneyFirst, Luis was not making any money of captchas. He was just an academic, happy that someone was actually using his creation.
  3. Why Did Luis von Ahn Start DuolingoLuis is originally from Guatemala, a very poor country where rich people are able to afford the best education, while poor struggle to get any.

People

More answers like this

More with Luis von Ahn

Related episodes

Plays from this note through the rest of the episode.

Note

Weekly highlights

One letter a week.

The notes worth hearing, with the minute they were said.