The big problem with drm is that your legally purchased content can be taken from you at any time. I rarely purchase books now, but when I do it is mostly drm-free ebooks from publishers like Tor. They make my life easier and my purchases secure. Drm punishes lawful customers while encouraging piracy. It also pushes those who would not otherwise be pirates to circumvent drm to secure their purchases. There is nothing good or useful about drm.
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