Check out Distributed Proofreaders: https://pgdp.net
replyI didn't realized DP was still around. I used to do it quite a bit, 15 years ago, but OCR has improved considerably since then.
replyI uploaded a PDF to archive.org that auto-OCRs with plenty of mistakes. I have found no way of updating the entire stack of documents produced. I wonder if Project Gutenberg is similar
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