The Internet has been one of the best inventions that have served people, and all information has been made available and accessible. The Internet has also contributed to the development of the use of computers in science, communications, medicine, engineering, space and astronomy.
Internet commerce has become very common, and in all sciences as well, the distance between countries has shrunk, and it is possible to connect remotely or to bring the information we need sitting in our place.
The Internet contributes to saving the effort and money, since the search for information needs dozens books and references, search through the Internet has become easy, consumes a few minutes. Saving time and effort is clear through messages which took several months to send and be received and then soon with the presence of the Internet to be made in short moments.

The Internet has become an important part of our lives and has a direct impact on social, cultural and scientific life. Developed countries are putting the Internet on their first priority. Countries that do not have the potential to connect the Internet are lagging behind especially as the Internet is also used for military purposes, the system of armies, exercises, and even in the systems of espionage on the States and their armies, and contributes to the rapid transmission of information, and accessibility, through e-mail systems, and video and audio communication.
The most things that have changed by the existence of the Internet is the cultural scene of the world. Literary and religious ideas and the moral system can be easily and quickly disseminated.
It has become possible to influence a large segment of the world, although some of the ideas that are spreading may never be useful or incite violence, hatred and moral disintegration. This is one of the disadvantages of the Internet, which fights all states to reduce it,
  Or at least to make people aware of the need to be careful of them and checking the vast amount of information flowing through the Internet, and making messages transmitted through the World Wide Web specialized in what is useful and good for the world and human,
By blocking off abusive websites, which poison people's ideas, and change their attitudes.

Despite the many scientific and technological discoveries and inventions, the discovery of the Internet will continue to be a milestone in human history. It will continue to be one of the best and most wonderful applications for which countless people have benefited.
One of the greatest achievements of the Internet is that it has revolutionized the medical world by allowing the exchange of medical information and the treatment of emergency cases in a short period of time, and some major surgeries have been conducted live with a number of doctors from several countries exchanging views and medical expertise via satellite and the Internet.