There have been many technological developments in the 20th century. For example in transport, telecommunications and health. What technological development do you think has been the most important? How has it changed people’s live? Have all the changes been positive? Give reasons for your answer.

The 20th century has been the century of inventions and developments in technology in many fields such as transport, educations, telecom, health, etc. The Internet has changed humans’ lives to the next level that we previously thought it is impossible. The computer has transformed into a world where unemployed people have more opportunities to earn a living. As we can see, the Internet has provided numerous positive things for humans. Apparently, it has created a universe in which everyone can search for any pieces of information they desire. This information will not be restricted, you can find information about politics, entertainment, stocks, education, food, and other topics. For example, you want to know some tourist attractions in Vietnam, all you have to do is type some keywords and a click to find out all the information about price, scenery, and so on. This is a wonderful place for students who need more resources to expand their knowledge. Furthermore, it has provided several opportunities for millions of unemployed people all over the world. Websites and advertisements might help unemployed people find suitable jobs. It aids many families in allowing their children to attend school alongside their peers. On the other hand, there are also some drawbacks of the Internet’s development. Crimes and fake businesses have entered this wonderful world and committed fraudulent acts and exploits. Not just stop here, hackers have made a variety of flaws in the system, resulting in the loss of a large amount of vital information from users. These factors have made the Internet’s world became more dangerous for users. The Internet has made the 20th century successful in terms of technology. The 20th century changed the face of this world into an unimaginable world, it became a bridge for the development of the 21st century. It will be preferable if we could handle the illegal activities on the Internet.