1. A significant number of projects license code according to the terms of the GNU Public License version 2—the so-called "copyleft" license.

2. Creative Commons, Scribd, Project Gutenberg, Copyleft are all built to enable young leaders to emerge with ideas and solutions that stand to change the world.

3. It does this through the legal technique of copyleft, which forbids middlemen from taking those freedoms away from you.

4. Even the content is under a "copyleft" license that allows anyone to re-use it.

5. A neotype of copyright -"copyleft" was engendered from the software fields, riding on the tide of information revolution in the end of last century.

6. GNU is distributed under "copyleft, " a method that employs copyright law to allow users to use, modify, copy and distribute the software.

7. The GNU General Public License and other copyleft licenses use copyright law to defend freedom for every user.

8. After all, copyleft is a means to an end (users' freedom), not an end in itself.

9. Copyleft rules offer a wonderful paradigm to exceed propertization of intellectual property.

10. In GNU project, we use copyleft to protect these freedoms legally for everyone.

11. A discussion of copyleft licenses focuses on the early history of the GPL, which Kelty identifies as an Ur-license that nearly every other free software license is descended from.

12. So Creative Commons goes all the way from copyleft to very restrictive licenses.

13. Copyleft turns out to have other benefits, and people who endorse the practical values of "open source" rather than the ethical ideals of free software have often used the GNU GPL.

14. The copyleft also requires that any redistributed software be covered by the same license.

15. This protection of users' rights is accomplished with a device called a copyleft: The software license claims copyright protection and prohibits distribution unless the user is granted these rights.

16. we: How sustainable do you think is the Creative Commons approach? Where do you see the pitfalls for the copyleft approach on the net?

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17. This license is a modified version of the GNU GPL that closes a loophole where the copyleft restrictions do not apply to the software's usage but only its distribution.

18. The mechanism of this rendering is an extraordinarily clever device called " copyleft" implemented through a license called GPL.

19. Though there is a definitely desire in these communities to reform copyright law with some of the ideas from copyleft built in, the licenses themselves are not replacements and never could be.

20. This paper introduced the developing of software copyright , expatiated the patent trend in software industry, and at last it analyzed the internet, copyleft and service.

21. This protection of users' rights is accomplished with a device called a copyleft: the software license claims copyright protection and prohibits distribution unless the user is granted these rights.