1900 - 2000 A.D. 1904 First broadcast talk 1918 Invention of the short-wave radio 1929 Invention of television in Germany and Russia 1941 Invention of microwave transmission 1946 Long-distance coaxial cable systems and mobile telephone services are introduced in the USA. 1957 Sputnik, the first satellite, is launched by the USSR First data transmissions over regular phone circuits. At the beginning of the story of today's global data networks is the story of the development of satellite communication. In 1955 President Eisenhower announced the USA's intention to launch a satellite. But it in the end it was the Soviet Union, which launched the first satellite in 1957: Sputnik I. After Sputnik's launch it became evident that the Cold War was also a race for leadership in the application of state-of-the-art technology to defense. As the US Department of Defense encouraged the formation of high-tech companies, it laid the ground to Silicon Valley, the hot spot of the world's computer industry. The same year as the USA launched their first satellite - Explorer I - data was transmitted over regular phone circuits for the first time, thus laying the ground for today's global data networks. Today's satellites may record weather data, scan the planet with powerful cameras, offer global positioning and monitoring services, and relay high-speed data transmissions. Yet up to now, most satellites are designed for military purposes such as reconnaissance. 1969 ARPAnet online ARPAnet was the small network of individual computers connected by leased lines that marked the beginning of today's global data networks. An experimental network it mainly served the purpose of testing the feasibility of wide area networks and the possibility of remote computing. It was created for resource sharing between research institutions and not for messaging services like E-mail. Although US military sponsored its research, ARPAnet was not designed for directly martial use but to support military-related research. In 1969 ARPANET went online and linked the first two computers, one located at the University of California, Los Angeles, the other at the Stanford Research Institute. Yet ARPAnet did not become widely accepted before it was demonstrated in action to a public of computer experts at the First International Conference on Computers and Communication in Washington, D. C. in 1972. Before it was decommissioned in 1990, NSFnet, a network of scientific and academic computers funded by the National Science Foundation, and a separate new military network went online in 1986. In 1988 the first private Internet service providers started offering access to NSFnet to a general public. After having become the backbone of the Internet in the USA, in 1995 NSFnet was turned into a consortium of commercial backbone providers. This and the launch of the World Wide Web added to the success of the global data network we call the Net. In the USA it was already in 1994 that commercial users outnumbered military and academic users. Despite the rapid growth of the Net, most computers linked to it are still located in the United States. 1971 Invention of E-Mail 1979 Introduction of fiber-optic cable systems 1992 Launch of the World Wide Web

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Advertising Advertising as referred to in most economic books is part of the marketing mix. Therefore advertising usually is closely associated with the aim of selling products and services. Still, developments like "branding" show a tendency towards the marketing of not only products and services, but of ideas and values. While advertising activities are also pursued by political parties, politicians and governmental as well as non-governmental organizations, most of the money flowing into the advertising industry comes from corporations. Although these clients come from such diverse fields, their intentions hardly differ. Attempting to influence the public, their main goal is to sell: Products, services, ideas, values and (political) ideology.

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Digital Subscriber Line (DSL) DSL connections are high-speed data connections over copper wire telephone lines. As with cable connections, with DSL you can look up information on the Internet and make a phone call at the same time but you do not need to have a new or additional cable or line installed. One of the most prominent DSL services is ISDN (integrated services digital network, for more information click here ( http://www.britannica.com/bcom/eb/article/4/0,5716,129614+15,00.html )). http://www.britannica.com/bcom/eb/article/4/0...

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Human Genome Project The Human Genome Project is an international colaborative research project that aims to map the human genome. It's goal is to idenitfy the 100,000 genes of the human DNA as well as to sequence the 3 billion chemical base pairs that make up the DNA. The HGP is designed on an open source basis, i.e. the information that is obtained and stored in databases should, in principle, be available to researchers and businesses all over the world. However, the HGP's work has been challenged by private businesses such as Celera whose objective is the private exploitation of genome information.

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