Thought those mangled words you have to enter on websites are just there to be an annoyance? It turns out that one of the words in the reCaptcha is actually a managled word from a public domain book that was scanned but is unreadable by computers. For every 10 people that agree on a managled word, the word is then deciphered and recognized by the computer software so that word may be added to the digital file of the scanned book.
The rest of this ABC News article can be found here going more in detail on the technology.
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