There are many teaching modes now. Many people who have no time to study in class will choose to study through online classes. Through online courses, you can learn English, computer, art, writing and so on.
Online classes are taught through the Internet. Teachers will record videos of their lectures and post them on the Internet. Those who want to learn later can learn by watching videos. Online courses are very friendly to office workers. These people have no extra time to attend classes in special learning institutions. With online courses, they can learn new skills as long as they take an hour or so after work. In addition, many online courses are free. Even if it is charged, the learning cost is lower than that of physical learning institutions. So now many people who want to learn a skill and increase their knowledge will learn through online classes.