nowadays intemet is very popular all over the world, especially in some big cities. do you know when the intemet was first established? built in 1960s, the internet was a crude network of a few computers which shared information. if one of the computers broke down, the whole networks would be unable to work, causing continual problems.

　　at first, just the government had access to the internet, using it for communications among different branches. however, by 1970s the internet had been used in universities, banks, and hospitals. at the beginning of 1990s computers became affordable for common people and this affordability increased the use of the internet by people,

　　it is said that each day tens of millions of people log off, making it the most important part of people's life.

　　internet was first established in 1960s. at that time, the computer was both large and expensive and the networks were unable to work well. if one of the computers broke down, the whole networks would be unable to work.

　　at first, the intemet was just used by the government. by 1970s, it had been used in universities, banks and hospitals. at the beginning of 1990s,computers became both cheaper and easier to operate. now it is very convenient to log on the intemet.

　　it is said that each day tens of millions of people log on the internet. sending e-mails is becoming more and more popular.

　　the intemet has become the most important part of people's life.