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Posted in Turing test challenges spam filters
Posted Saturday 7th July 2007 08:51 GMT
Geoff Mackenzie

We don't need to solve their problem for them

Finding a fix for this doesn't mean writing software to break captchas. They need to be able to accurately read captchas and return the original text. Spam filters only need to recognise that distorted text is the main content of an attached PDF to get really good results.

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