Pre-infringement
Contracts
Contracts are a pre-infringement control method, which very often is underestimated. Properly formed contracts enable copyright holders to restrict the use of their works in excess of the rights granted under copyright laws.
Copy Protection
This approach was standard in the 1980s, but rejected by consumers and relatively easy to break. Still copy protection, whereby the vendor limits the number of times a file can be copied, is used in certain situations.
Limited Functionality
This method allows copyright owners to provide a copy of the work, which is functionally limited. Software creators, for example, can distribute software that cannot print or save. A fully functional version has to be bought from the vendor.
Date Bombs
Here the intellectual property holder distributes a fully functional copy but locks off access at a pre-specified date or after a certain number of uses.
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Looking at the financial situation of think tanks, different funding patterns can be found. While financial contributions from foundations play an important role especially for conservative think tanks, also contributions from governments are made to certain institutions. Yet one of the most important funding sources are corporate donors and individual contributors. Although the extent to which - in most cases conservative - think tanks rely on corporate funding varies, from the US$ 158 million spent by the top 20 conservative think tanks, more than half of it was contributed by corporations or businessmen.
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U.S. intelligence agency within the Department of Defense that is responsible for cryptographic and communications intelligence and security. The NSA grew out of the communications intelligence activities of U.S. military units during World War II. The NSA was established in 1952 by a presidential directive and, not being a creation of the Congress, is relatively immune to Congressional review; it is the most secret of all U.S. intelligence agencies. The agency's mission includes the protection and formulation of codes, ciphers, and other cryptology for the U.S. military and other government agencies, as well as the interception, analysis, and solution of coded transmissions by electronic or other means. The agency conducts research into all forms of electronic transmission. It operates posts for the interception of signals around the world. Being a target of the highest priority for penetration by hostile intelligence services, the NSA maintains no contact with the public or the press.
A US military signals intelligence satellite of the second generation from the 1970s.