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Old 04-13-2012, 12:35 PM   #4
susan_cassidy
Wizard
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Posts: 2,251
Karma: 3720310
Join Date: Jan 2009
Location: USA
Device: Kindle, iPad (not used much for reading)
You can't use the Kindle DRM or the Adobe DRM without going through the right channels (e.g. Amazon or Adobe, which charges high fees).

You'd have to use some scheme of your own, which would keep people from wanting to buy it. Watermarking is probably your best bet. If you did have DRM, and it was broken, nothing would keep students from emailing copies with DRM removed.
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