Quote:
Originally Posted by Alexander Turcic
What's been unknown to me before, there are actually two ways Adobe allows publishers to protect their content. One way is called "Easy Activiation", enabling the customer to read e-books on a single computer (the book gets essentially "tied" to that machine). The other option for the publisher is to use "Named Activation", which is giving the customer the option to read a purchased e-book on any computer or device. Instead of tieing the book to a computer, it's tied to the purchaser's Adobe ID which contains his personal information (you can compare this mechanism to how other popular e-book formats work, for instance eReader PDB).
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Actually, there is only one DRM. The content can be downloaded to Adobe Reader or Adobe Digital Editions. In Adobe Reader 6 and 7, you could retain the "Easy Activation", which was automatically done the first time you download a DRM file, or you could activate using the "Named Activation", allowing you to transfer the file to other computers and devices that were activated using the same "Name".
When they released ADE1, it did not support Named Activation, so you were limited to locking the title to the computer you download it to. According to the blog, ADE1.5 will require named activation, thereby tying your downloads to your name, rather than your computer.
Basically, I just wanted to make the point that while it was semi-hidden, named activation and portability was always there in Adobe Reader 6 and 7 and it was your decision which method to use, not the decision of the person applying the DRM to the file.