Intellectual property is problematic. The only practical solution to maximize consumer value is to give it the four GNU freedoms. The primary method for producing it requires it to have a definite non zero cost and forbid copying. Maximizing social gain with either is difficult. More thought must be given to how to do this. The two simple solutions of no copyright and absolute copyright both fail to maximize social gain. I have never heard of any practical alternative solution that is in use and maximizes social gain.
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