The internet has increasingly developed and became part of out every day life. 
Firstly, the internet is a source of ìnormation. We can get information about every aspect in a very fast and convenient way. We can read e-book or check weather conditions. 
Secondly, the internet is a source of entertainment. We can watch a movie, listen to the recent music album, play games,...
Finally, the internet is a means of education. We can learn foreign language, look up information. We can take online courses. The internet is almost an unlimited source of education materials for you to get.
Today, the internet is a highly effective tool for communicating, for gathering information and for cooperation between distant locations. Millions of people worldwide are using the internet to communicate ,share information, make new associations ,….
Therefore, The internet is a wonderful invention of modern life. It makes our world become close together.

Online learning also gives teachers and students flexibility in teaching and absorbing lessons. During the online learning process, students and teachers can record the session that day, allowing teachers to review their lessons. Teachers then draw from experience for future lessons or record students' contributions and feedback in the learning process for student assessment. For students, it allows them to review the lecture at any time and at the same time record their questions about the lesson.
With online learning, both students and teachers can access and search for extensive learning materials that are not limited to the course textbooks of that subject. Therefore, the evidence related to the lesson is also richer, the students' ability to think and relate problems is also more flexible.