If you've enjoyed decrypting the often frustratingly skewed (and occasionally humorously juxtaposed) reCAPTCHAs, you might be a bit sad to learn that Google is mixing things up with some rather more boring numerals. The combinations of two words are typically used as part of a registration form to ensure the registrant is, indeed, human. Google is now replacing one of the words in some of its reCAPTCHA forms with photos gleaned from Street View service. Google says it uses these numbers internally to improve the accuracy of Street View and that pulling them into reCAPTCHAs is part of an