13. As an example, when a facsimile is made on paper, the quality is necessarily less than in the original document, and this degradation is compounded as copies are made of copies. This fact, among others, limits the extent to which the print-on-paper system could be abused to implement large-scale republishing of a document to avoid copyright payments to the publisher or author. Digital copying, on the other hand, generally maintains perfect fidelity. Thus, publishers are concerned that a digital copy delivered to a user at a different institution might be used to create multiple copies redistributed without associated compensation.

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