Luis von Ahn and His Innovations
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Questions and Answers

What program did von Ahn and Blum create that required users to decipher distorted text?

  • Yahoo Search Engine
  • Google Images
  • CAPTCHA (correct)
  • ESP Game

    • Which game developed by von Ahn aimed to improve image tagging and was eventually licensed to Google?

  • Word Search Quest
  • Sudoku Challenge
  • ESP Game (correct)
  • Trivia Night

    • What term did von Ahn coin with his dissertation, referring to what is now generally known as crowdsourcing?

  • Artificial Intelligence
  • Human Tagging
  • Computer Computation
  • Human Computation (correct)

    • What was the purpose of replacing CAPTCHA's computer-generated text with pieces of actual publications?

    <p>To speed up efforts to digitize books</p> Signup and view all the answers

    How did von Ahn plan to utilize the microlabor spent deciphering CAPTCHA fragments?

    <p>To channel it towards something useful like digitizing books</p> Signup and view all the answers

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