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Uploaded by on Dec 10, 2008

Who is digitizing all those old books so we can read them online? Surprisingly, the answer might just be you...

This ScienCentral News video explains how twenty million words a day are now digitized by regular internet users, thanks to a new anti-spam program called "re-captcha". For the full article on how this technology works, go here: http://tinyurl.com/6dyz8y
http://www.sciencentral.com/video/http://www.sciencentral.com/video/

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  • Well, each 'recaptcha' has 2 words, one 'control' word that the computer knows the answer to, and a fragment of text that comes from those old documents that the computer can't decipher. If you pass the test by being correct about the control word, the computer assumes you deciphered the second word correctly too. Then it compares it to other people who have solved a control word correctly and had the same second word and if they match, it registers the unknown word's translation.

  • But?

    You have to know the solution in order to correct the captcha , i don't get it lol

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  • the best thing is that by doing it incorrectly you are changing history

    just write one word right and the other wrong and you have 50% chance of getting it right

  • anyone any idea how to get rid of this piece of SHIT????

  • @papalevies

    So if a team (web board) of trollers decided to purposely mistype captcha words then what?

  • Now if only CAPTCHA could help prevent the annoying e-mail spam that people are receiving from accounts that claim to increase the number of subscribers.

  • @cplover3009 Only if you knew which one was the control word. They often look equally bad, because words that used to be unknown are turned into control words after enough responses agree.

  • @papalevies so does that mean i can type in '(correct word ) fuck'? LOL

  • i am so pissed at the YouTube captchas i can't even see straight!

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