could do with it then—when you can take a CD you bought a decade ago and turn it into a ringtone, an MP3, karaoke, a mashup, or a file that you send to a friend?).

DRM is used to silence and even jail researchers who expose its flaws, thanks to laws like the US DMCA and Europe’s EUCD. 

In case there’s any doubt: I hate DRM. There is no DRM on this book. None of the books you get from this site have DRM on them. If you get a DRMed ebook, I urge you to break the locks off it and convert it to something sensible like a text file. 

If you want to read more about DRM, here’s a talk I gave to Microsoft on the subject and here’s a paper I wrote for the International Telecommunications Union about DRM and the developing world.

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