04-03-2013, 03:51 AM
An e-book is the digital equivalent of a printed book. Adobe's PDF format is the standard format used to exchange documents such as e-book. Securing your e-book is important, it protects your work from reproduction or distribution. There are many free applications that you can use to secure a PDF. You can use passwords to restrict your e-book from being opened or edited. You can digitally sign and certify your e-book to prevent other users from tampering with your e-book's content.
05-25-2013, 08:17 AM
|RE: Secure Ebooks
I think you should download open office software because
it has some really good features which you would have
to pay for with a pro software.
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