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May 22nd 05, 03:43 AM

Paul Rubin

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(Mike Andrews) writes:
So for pdf files without going to a jpeg --- are ascii text addresses
harvestable ?

Yes, in the sense that Optical Character Recognition (OCR) programs _can_
read text out of an image. In practice, it's not worth the spammers' or
web spider operators' trouble -- or that's been my experience, anyway.

PDF files contain the underlying text strings and search engines index
them without OCR'ing. Whether spammers bother, I don't know.

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