humans to decipher the two words. They have a select number of people decipher each set of words and if an agreed number type the unrecognized word the same they know what it should be and it is corrected! They give the companies the words for free, currently there are over 120 thousand web sites including the White House use Re-Captcha! They are digitizing over 35 million words a day Wow! The books they are digitizing are books from the Internet Archive which is digitizing books that were written before 1923 (these books are out of copyright). They were able to transcribe The New York Times Archives(1851 to 1980 something)in 4 months in 2009.Another startling statistic is that over 400 Million people worldwide are working to digitize books for free lmao. I still don't like Captchas for my site, I am not in need of that high of security but I don't think I will resent having to type them nearly as bad in the future!
Because the words are randomly paired here is a couple funny pairing mistakes that have happened: