From the guys who made reCAPTCHA.

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  1. rcook3000 reblogged this from poptech
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  5. notesandstuff reblogged this from poptech and added:
    this is amazing.
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  10. adorabubbly reblogged this from poptech and added:
    Oh my god, this is the most clever way to practice languages. This could be an incredibly valuable tool to be used in...
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  16. meeeechelllllle reblogged this from poptech and added:
    I’m trying this for French
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  19. poptech reblogged this from ryanfsalerno and added:
    PopTech 2009 speaker Luis von Ahn invented ReCaptcha, a program that uses squiggly characters that humans easily...
  20. ryanfsalerno posted this