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Information On the Internet

This article is about the public worldwide computer network system. For other uses, see Internet (disambiguation).

"Computer culture" redirects here. For other uses, see Cyberculture.

Internet
An Opte Project visualization of routing pathsthrough a portion of the Internet.
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The Internet is a global system of interconnected computer networks that use the standard Internet protocol suite (TCP/IP) to serve several billion users worldwide. It is a network of networks that consists of millions of private, public, academic, business, and government networks, of local to global scope, that are linked by a broad array of electronic, wireless and optical networking technologies. The Internet carries an extensive range of information resources and services, such as the inter-linked hypertext documents of the World Wide Web (WWW), the infrastructure to support email, and peer-to-peer networks.

Most traditional communications media including telephone, music, film, and television are being reshaped or redefined by the Internet, giving birth to new services such as voice over Internet Protocol (VoIP) and Internet Protocol television (IPTV). Newspaper, book and other print publishing are adapting to website technology, or are reshaped into blogging and web feeds. The Internet has enabled and accelerated new forms of human interactions through instant messaging, Internet forums, and social networking. Online shopping has boomed both for major retail outlets and smallartisans and traders. Business-to-business and financial services on the Internet affect supply chains across entire industries.

The origins of the Internet reach back to research commissioned by the United States government in the 1960s to build robust, fault-tolerant communication via computer networks. While this work, together with work in the United Kingdom and France, led to important precursor networks, they were not the Internet. There is no consensus on the exact date when the modern Internet came into being, but sometime in the early to mid-1980s is considered reasonable.

The funding of a new U.S. backbone by the National Science Foundation in the 1980s, as well as private funding for other commercial backbones, led to worldwide participation in the development of new networking technologies, and the merger of many networks. Though the Internet has been widely used by academia since the 1980s, the commercialization of what was by the 1990s an international network resulted in its popularization and incorporation into virtually every aspect of modern human life. As of June 2012, more than 2.4 billion people—over a third of the world's human population—have used the services of the Internet; approximately 100 times more people than were using it in 1995.^[1][2]

The Internet has no centralized governance in either technological implementation or policies for access and usage; each constituent network sets its own policies. Only the overreaching definitions of the two principal name spaces in the Internet, the Internet Protocol address space and the Domain Name System, are directed by a maintainer organization, the Internet Corporation for Assigned Names and Numbers (ICANN). The technical underpinning and standardization of the core protocols (IPv4 and IPv6) is an activity of the Internet Engineering Task Force (IETF), a non-profit organization of loosely affiliated international participants that anyone may associate with by contributing technical expertise.

http://en.wikipedia.org/wiki/Internet

Advantages and Disadvantages of Using Internet

Advantages: 

1) Information on almost every subject imaginable. 
2) Powerful search engines 
3) Ability to do research from your home versus research libraries. 
4) Information at various levels of study. Everything from scholarly articles to ones directed at children. 
5) Message boards where people can discuss ideas on any topic. Ability to get wide range of opinions. People can find others that have a similar interest in whatever they are interested in. 
6) The internet provides the ability of emails. Free mail service to anyone in the country. 
7) Platform for products like SKYPE, which allow for holding a video conference with anyone in the world who also has access. 
8) Friendships and love connections have been made over the internet by people involved in love/passion over similar interests. 
9) Things such as Yahoo Answers and other sites where kids can have readily available help for homework. 
10) News, of all kinds is available almost instantaneously. Commentary, on that news, from every conceivable viewpoint is also available. 


Disadvantages: 

1) There is a lot of wrong information on the internet. Anyone can post anything, and much of it is garbage. 
2) There are predators that hang out on the internet waiting to get unsuspecting people in dangerous situations. 
3) Some people are getting addicted to the internet and thus causing problems with their interactions of friends and loved ones. 
4) Pornography that can get in the hands of young children too easily. 
5) Easy to waste a lot of time on the internet. You can start surfing, and then realize far more time has passed than you realized. Internet and television together of added to the more sedentary lifestyles of people which further exacerbates the obesity problem. 
6) Internet has a lot of "cheater" sites. People can buy essays and pass them off as their own far more easily than they used to be able to do. 
7) There are a lot of unscrupulous businesses that have sprung up on the internet to take advantage of people. 
8) Hackers can create viruses that can get into your personal computer and ruin valuable data. 
9) Hackers can use the internet for identity theft. 
10) It can be quite depressing to be on the internet and realize just how uneducated so many people have become in today's society.

http://answers.yahoo.com/question/index?qid=20080712022042AARzWim