On the Internet, when you want to retrieve a document from another computer, you request a service from this computer. Your computer is the client, the computer on which the information you want to access is stored, is called the
A common set of standards allows the exchange of data and commands independent from locations, time, and operating systems through the Internet. These standards are called communication protocols, or the Internet Protocol Suite, and are implemented in Internet software. Sometimes the Internet Protocol Suite is erroneously identified with
Any information to be transferred is broken down into pieces, so-called packets, and the Internet Protocol figures out how the data is supposed to get from A to B by passing through routers.
Each packet is "pushed" from router to router via
The technique of breaking down all messages and requests into packets has the advantage that a large data bundle (e.g. videos) sent by a single user cannot block a whole network, because the
One of the Internet's (and of the Matrix's) beginnings was the
Routing around depends on the location of the interruption and on the availability of intersecting points between networks. If, for example, an E-mail message is sent from Brussels to Athens and in Germany a channel is down, it will not affect access very much, the message will be routed around this damage, as long as a major Internet exchange is not affected. However, if access depends on a single backbone connection to the Internet and this connection is cut off, there is no way to route around.
In most parts of the world the Internet is therefore vulnerable to disruption. "The idea of the Internet as a highly distributed, redundant global communications system is a myth. Virtually all communications between countries take place through a very small number of bottlenecks, and the available bandwidth isn't that great," says Douglas Barnes. These bottlenecks are the network connections to neighboring countries. Many countries rely on a one single connection to the Net, and in some places, such as the Suez Canal, there is a concentration of fiber-optic cables of critical importance.
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While most progressive think tanks acquire their funding through many different sources, for conservative think tanks financing by corporations prevails. Among the think tanks receiving a considerable amount of corporate money are the Cato Institute (U.S. conservative/libertarian), the Brookings Institution (U.S. centrist), the Heritage Foundation (U.S. conservative), the American Enterprise Institute (U.S. conservative) and the
Also, whereas the combined revenue base of such conservative multi-issue policy institutions as the Heritage Foundation, the American Enterprise Institute, Free Congress Research and Education Foundation, the Cato Institute, and
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The political orientation of think tanks is as broad as in every other kind of institutions or organizations. It ranges from conservative over centrist to progressive. Still it can be noted, that there are considerable differences between the right and the left wing of think tanks, especially concerning funding sources and revenues as well as media relations, which have considerable consequences on their perception and influence on the public as well as on policy makers.
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Media concentration can occur in a variety of ways and for different reasons. Companies can integrate horizontally and vertically or through product diversification and internationalization. Often media concentration is considered to have a detrimental effect upon democratic systems, which vitally depend on a diverse media system, that reflects the whole variety of ideas, viewpoints and opinions that exist in a society and represents a wide range of political and cultural societal groups.
A concentrated media market might not only have a disadvantageous impact upon pluralism and allow media owners a heightened influence on public opinion, but can also enable the large market players to close the market to new entrants, independent producers, or drive out weaker competitors. In this case the result may be a market monopoly or oligopoly, which besides being considered counter-competitive in the media market also produces social costs.
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Heritage was started to counter what it perceived as the liberal intellectual climate of Washington in the 1970s. The Heritage Foundations mission is to formulate and promote conservative public policies based on the principles of free enterprise, limited government, individual freedom, traditional American values, and a strong national defense. Heritage pursues this mission by performing research addressing key policy issues and effectively marketing these findings to its primary audiences: members of Congress, key congressional staff, policymakers in the executive branch, the nation's news media, and the academic and policy communities.
Official Organizational Status: Independent research and educational institute.
Political Orientation: U.S. Conservative
Scope/Research Areas: The Heritage Foundation's research areas include: economic issues, health and welfare, education, culture and religion, security and defense, foreign policy and international relations/institutions. Priority is given to issues, such as: Social Security reform, fundamental tax reform, livable cities, ballistic missile defense, education reform, domestic and economic policy and foreign and defense policy. Recent publications include: Feulner, Edwin J.: The March of Freedom. (1998). Holmes, K. et.al.: 1999 Index of Economic Freedom. (1998).
Funding Sources: 1998 Budget: US$ 26 million. Private donations (47 %), foundations (21 %), investment income (21 %), corporate donations (4 %). Among others US$ 1 million from the Korea Foundation - funded by South Korea's foreign ministry.
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Looking at how public relations practitioners advertise their services, they do not primarily seem to be followers of the "social engineering" approach.
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Electronic messages are transmitted and received by computers through a network. By E-Mail texts, images, sounds and videos can be sent to single users or simultaneously to a group of users. Now texts can be sent and read without having them printed.
E-Mail is one of the most popular and important services on the Internet.
A mark (trademark or service mark) is "... a sign, or a combination of signs, capable of distinguishing the goods or services of one undertaking from those of other undertakings. The sign may particularly consist of one or more distinctive words, letters, numbers, drawings or pictures, emblems, colors or combinations of colors, or may be three-dimensional..." (