Timeline of Communication Systems: Introduction The timeline of communication systems presents a chronological overview of the most important events in the history of communication systems from the 4th millennium B.C. to the present. It shows that from the very beginning - the first Sumerian pictographs on clay tablets to today's state-of-the-art technologies - broadband communication via fiber-optic cables and satellites - the amount of information collected, processed and stored, the capabilities to do so, as well as the capable speed of information transmission exponentially accelerate.

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On-line Advertising and the Internet Content Industry Applied to on-line content the advertising model leads to similar problems like in the traditional media. Dependence on advertising revenue puts pressure on content providers to consider advertising interests. Nevertheless new difficulties caused by the technical structure of online media, missing legal regulation and not yet established ethical rules, appear.

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Invention According to the WIPO an invention is a "... novel idea which permits in practice the solution of a specific problem in the field of technology." Concerning its protection by law the idea "... must be new in the sense that is has not already been published or publicly used; it must be non-obvious in the sense that it would not have occurred to any specialist in the particular industrial field, had such a specialist been asked to find a solution to the particular problem; and it must be capable of industrial application in the sense that it can be industrially manufactured or used." Protection can be obtained through a patent (granted by a government office) and typically is limited to 20 years.

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Waihopai Station Waihopai Station on the South Island of New Zealand was established specifically to target the international satellite traffic carried by Intelsat satellites in the Pacific region and its target in the mid-1990s is the Intelsat 701 that came into service in January 1994, and is the primary satellite for the Pacific region. Source: Nicky Hager, Secret Power, New Zealand's role in the international spy network, (Craig Potton, 1996), Chapter 2

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Menwith Hill Station Menwith Hill Station is one of the biggest groundstations in the UKUSA alliance.It is run by the US National Security Agency (NSA), which monitors the world's communication for US intelligence. Menwith Hill employs 1,200 US civilians and servicemen to work around the clock. It went trough different stages of interception technology. First it was established to intercept radio signals, but now the main focus lays on intercepting and monitoring communication satellites with primary targets Europe, northern Africa and western Asia.

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