Of course, readers may not be happy knowing that their licensed e-books are being altered because publishers and bookstores don't trust them. From there, the relatively small file size of e-books make them perfect for sharing on the Internet. ![]() These apps usually convert the DRM-heavy e-books to a new file format, such as the open-source E-Pub standard, or to the DRM-less version of the Kindle's file format. And it makes digital book vendors happy because it keeps readers tied to their proprietary devices and ecosystems.īut stripping the DRM from any of the e-books purchased at the big-name stores is as easy as downloading an app, and there's little special hardware knowledge required beyond knowing how to properly connect a USB cable. This makes publishers happy because their books are locked to one person. The same is true for books bought in the Barnes & Noble and iBooks digital bookstores - they'll only work on the Nook or Apple devices, respectively. ![]() A e-book bought in the Kindle bookstore, for example, will only work on a Kindle. The researchers are hoping the new DRM feature will curb digital piracy by simply making consumers paranoid that they'll be caught if they share an e-book illicitly.Ĭurrent e-book DRM restricts the movement of e-books between stores and devices, and ties a book to a single account. These alterations serve as a digital watermark that can be used to track books that have had any other DRM layers stripped out of them before being shared online. ![]() Called SiDiM, which Google translates to "secure documents by individual marking," the changes are unique to each e-book sold. German researchers have created a new DRM feature that changes the text and punctuation of an e-book ever so slightly. And those changes are there to make sure you're not a pirate. The next e-book you buy might not exactly match the printed version.
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