Internet services The Internet can be used in in different ways: for distributing and retrieving information, for one-to-one, one-to-many and many-to-many communication, and for the access services. Accordingly, there are different services on offer. The most important of these are listed below. Telnet FTP (File Transfer Protocol) Electronic Messaging (E-Mail) World Wide Web (WWW) Bulletin Board Systems (BBS) Electronic Data Interchange (EDI) Internet Relay Chat (IRC) Multiple User Dimensions (MUDs) Gopher

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PR Firms and their Mission Looking at how public relations practitioners advertise their services, they do not primarily seem to be followers of the "social engineering" approach. Burson-Marsteller, the worlds leading PR agency, for example sells itself as a specialist in "... public affairs, government relations, crisis communication, investor relations, environmental issues and marketing communications ... experienced at orchestrating effective campaigns, which motivate the right behaviors.". Porter Novelli, third largest international PR company, somewhat more aggressive promises, that their marketing-based public relations "... penetrate the consumer psyche - where - your target audiences work, learn, play or shop, through everything they read, hear and see.". While Porter Novelli seems to be specialized in psychological warfare, Fleishman-Hillard highlights its know-how and experience in government relations programs. "We have handled some of the nation's most challenging public policy issues, including issues affecting the environment, from clean air to agricultural chemicals; aviation safety; regressive taxes; international trade; and human rights.". To handle those difficult tasks, Fleishman-Hillard maintains "... an effective, professional lobbying team that includes registered lobbyists recruited from the Senate and the House."

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Amazon.Com Amazon.Com was one of the first online bookstores. With thousands of books, CDs and videos ordered via the Internet every year, Amazon.Com probably is the most successful Internet bookstore.

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Calculator Calculators are machines for automatically performing arithmetical operations and certain mathematical functions. Modern calculators are descendants of a digital arithmetic machine devised by Blaise Pascal in 1642. Later in the 17th century, Gottfried Wilhelm von Leibniz created a more advanced machine, and, especially in the late 19th century, inventors produced calculating machines that were smaller and smaller and less and less laborious to use.

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Internet Engineering Steering Group On behalf of the Internet Society, the Internet Engineering Steering Group is responsible for the technical management of the evolution of the architecture, the standards and the protocols of the Net. http://www.ietf.org/iesg.html http://www.ietf.org/iesg.html

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Internet Research Task Force Being itself under the umbrella of the Internet Society, the Internet Research Task Force is an umbrella organization of small research groups working on topics related to Internet protocols, applications, architecture and technology. It is governed by the Internet Research Steering Group. http://www.irtf.org http://www.irtf.org/

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Internet Societal Task Force The Internet Societal Task Force is an organization under the umbrella of the Internet Society dedicated to assure that the Internet is for everyone by identifying and characterizing social and economic issues associated with the growth and use of Internet. It supplements the technical tasks of the Internet Architecture Board, the Internet Engineering Steering Group and the Internet Engineering Task Force. Topics under discussion are social, economic, regulatory, physical barriers to the use of the Net, privacy, interdependencies of Internet penetration rates and economic conditions, regulation and taxation. http://www.istf.isoc.org/ http://www.istf.isoc.org/

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