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The
Internet has already entered our ordinary life. Everybody knows that the
Internet is a global computer network, which embraces hundred of millions of
users all over the world and helps us to communicate with each other.
The history of Internet began in the United States in 1969. It was
a military experiment, designed to help to survive during a nuclear war, when
everything around might be polluted by radiation and it would be dangerous to
get out for any living being to get some information to anywhere. Information
sent over the Internet takes the shortest and safest path available from one
computer to another. Because of this, any two computers on the net will be able
to stay in touch with each other as long as there is a single route between
them. This technology was called packet switching.
Invention of modems, special devices allowing your computer to
send the information through the telephone line, has opened doors to the
Internet for millions of people.
Most of the Internet host computers are in the United States of
America. It is clear that the accurate number of users can be counted fairly
approximately, nobody knows exactly how many people use the Internet today,
because there are hundred of millions of users and their number is growing.
Nowadays the most popular Internet service is e-mail. Most of the
people use the network only for sending and receiving e-mail messages. They can
do it either they are at home or in the internet clubs or at work. Other
popular services are available on the Internet too. It is reading news,
available on some dedicated news servers, telnet, FTP servers, etc.
In many countries, the Internet could provide businessmen with a
reliable, alternative to the expensive and unreliable telecommunications
systems its own system of communications. Commercial users can communicate
cheaply over the Internet with the rest of the world. When they send e-mail
messages, they only have to pay for phone calls to their local service
providers, not for international calls around the world, when you pay a good
deal of money.
But saving money is only the first step and not the last one.
There is a commercial use of this network and it is drastically increasing. Now
you can work through the internet, gambling and playing through the net.
However, there are some problems. The most important problem is
security. When you send an e-mail, your message can travel through many
different networks and computers. The data is constantly being directed towards
its destination by special computers called routers. Because of this, it is
possible to get into any of the computers along the route, intercept and even
change the data being sent over the Internet. But there are many encoding
programs available. Notwith-standing, these programs are not perfect and can
easily be cracked.
Another big and serious problem of the net is control. Yes, there
is no effective control in the^Internet, because a huge amount of information
circulating through the net. It is like a tremendous library and market
together. In the future, the situation might change, but now we have what we
have. It could be expressed in two words— an anarchist's dream.