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Basics: Limitations |
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Temporal
Copyright protection is limited in time. Many countries have adopted a term of protection that starts at the time of the creation of the work and ends 50 years (in some cases 70 years) after the death of the author. Under some national laws exist exceptions either for certain kinds of creations or for certain uses. After the protection has expired works pass into the public domain. In recent years a tendency towards the lengthening of the term of protection has emerged.
Geographic
The owner of a copyrighted work is protected against acts restricted by copyright under the law of a certain country. To gain protection against such acts in other countries he must refer to the respective national legislation. If both countries are members of one of the international conventions on copyright, the practical problems arising from this geographical limitation are eased.
Non-Material Works
In some countries works that are not fixed in some material form are excluded from copyright protection. Also under certain national legislations, the texts of laws and decisions of courts and administrative bodies cannot be copyrighted (which is possible in several countries; then the government is the owner of the copyright in such works and can exercise his rights in accordance with the public interest).
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Automation
Automation is concerned with the application of machines to tasks once performed by humans or, increasingly, to tasks that would otherwise be impossible. Although the term mechanization is often used to refer to the simple replacement of human labor by machines,  automation generally implies the integration of machines into a self-governing system. Automation has revolutionized those areas in which it has been introduced, and there is scarcely an aspect of modern life that has been unaffected by it. Nearly all industrial installations of automation, and in particular robotics, involve a replacement of human labor by an automated system. Therefore, one of the direct effects of automation in factory operations is the dislocation of human labor from the workplace. The long-term effects of automation on employment and unemployment rates are debatable. Most studies in this area have been controversial and inconclusive. As of the early 1990s, there were fewer than 100,000 robots installed in American factories, compared with a total work force of more than 100 million persons, about 20 million of whom work in factories.
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