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Harmony's curiously flat tune

Jul 22, 2011, 13:00 (2 Talkback[s])

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"Although the concept of copyright is anathema to many free software advocates, it can be considered the fundamental force of both copyleft and open source software. Copyleft licences like the GPL subvert copyright to ensure source code is always made available, while permissive licences retain credit, at least in the source code, for the original authors. As a fundamental force, if you can gain control of copyright, you gain a lot more power.

"This is, for example, how a company that has a GPL-licensed community edition of its software can also sell a proprietarily-licensed enterprise edition; it has ownership of all the rights, either because it wrote all of the code or because anyone who has contributed code to it has signed over their copyright."

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