Luis von Ahn

Episodes

Notes

How Did Paid Subscriptions Compare With Advertising? How I Built This with Guy Raz · reCAPTCHA and Duolingo: Luis von Ahn · at 54:39 Transcript
What Happened When News-translation Contracts Could Not Work In The App? How I Built This with Guy Raz · reCAPTCHA and Duolingo: Luis von Ahn · at 48:08 Transcript
How Much Outside Money Did They Raise In That First Round? How I Built This with Guy Raz · reCAPTCHA and Duolingo: Luis von Ahn · at 42:59 Transcript
How Did They Plan To Make Free Language Lessons Pay For Themselves? How I Built This with Guy Raz · reCAPTCHA and Duolingo: Luis von Ahn · at 37:58 Transcript
What Happened When People Typed Captures For The New York Times? How I Built This with Guy Raz · reCAPTCHA and Duolingo: Luis von Ahn · at 26:50 Transcript
How Do You Stop Programs From Opening Free Email Accounts? How I Built This with Guy Raz · reCAPTCHA and Duolingo: Luis von Ahn · at 10:50 Transcript
What Happened When His Aunt Was Kidnapped? How I Built This with Guy Raz · reCAPTCHA and Duolingo: Luis von Ahn · at 6:15 Transcript
Why Did He Spend Weekends At The Candy Factory? How I Built This with Guy Raz · reCAPTCHA and Duolingo: Luis von Ahn · at 3:38 Transcript
Why Did Luis Von Ahn Start Duolingo From Scratch with Jessica Harris · Luis Von Ahn - Founder of Recaptcha and Duolingo · at 13:58 Transcript
Did Captcha Ever Make Any Money From Scratch with Jessica Harris · Luis Von Ahn - Founder of Recaptcha and Duolingo · at 8:25 Transcript
What Are Games With Purpose From Scratch with Jessica Harris · Luis Von Ahn - Founder of Recaptcha and Duolingo · at 6:03 Transcript
Who Invented Captcha From Scratch with Jessica Harris · Luis Von Ahn - Founder of Recaptcha and Duolingo · at 2:30 Transcript