Elsevier embeds a unique code in every academic journal article users download. Security researchers fear this could be used to identify people who share PDFs.
Elsevier embeds a unique code in every academic journal article users download. Security researchers fear this could be used to identify people who share PDFs.
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I was wondering that for years why they don’t do it. Sad that the article doesn’r state how it’s implemented. But if you have two pdfs that should be the same you probably can get the difference.