A system for distributing an electronic version of a printed document is
disclosed. The system comprises a memory device storing at least one
document file that is based at least in part on a source document, which
is an electronic version of a printed document. The system further
comprises a distribution system programmed for: responding to requests
from a client for delivery of a document file; retrieving a file copy
from the memory device; assigning at least one right to the file copy,
the right defining at least one action capable of being performed on at
least a portion of the file copy; encrypting the file copy with a key
based at least in part on the identity of the client and on the at least
one right; and providing the encrypted file copy, with the associated
key, to the client.