Con enthsba!
Look familiar? Those confusing semi-words
you retype to buy Rolling Stones tickets on TicketMaster.com or sell an
antique lamp on Craigslist
might not read as real words, but they are. They're actually images
from the pages of books -- and thanks to reCAPTCHA technology, they're a
key reason Google has digitized more than 15 million books since 2004.
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