If you buy e-books from Amazon, and want to engage in a bit of digital civil disobedience—by stripping the files’ DRM and making sure that Amazon can’t deny you access—we’re about to show you how. Yes, many parts of the Internet have known about this technique for some time now, but we feel that it bears mentioning again here..
via DRM be damned: how to protect your Amazon e-books from being deleted | Ars Technica.
Now, as West himself noted, these files are for your personal use only—they’re not meant to be distributed anywhere. Enjoy!