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afaraj•

now if they just had this for college textbooks...

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Chandon•

OMG! Why do people keep putting non-commercial restrictions on their otherwise useful free content?

This has two effects, neither of them good:

  • This content cannot be combined with material without this restriction.
  • Nobody can chose to promote the use of this content full time without jumping through awkward hoops.

The most obvious example of the second problem is that nobody can take these books, get them printed, and submit them as a cheap option for use in schools. Somebody doing this commercial action would be strict win-win for everyone, but the CK12 people have chosen to ban it.

Even the guys at the FSF don't restrict commercial use of their stuff, because they understand that doing so just makes it less socially valuable for no good reason.

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