Reason: Now is a fast-paced era, like Weibo's pursuit of fast and refined; Students have many courses and many questions. If you watch a micro-lesson in each subject, and each micro-lesson takes a long time, then the student will have no time to finish the micro-lesson he or she wants to watch. 10 minutes is enough to explain a little knowledge, otherwise it is either too general or too verbose.

Extended data:

The micro-lesson schedule is divided into primary and secondary classes, and the length of the tidbits outside the text does not exceed 15 seconds; Micro-courses are widely used in vocational education, but there are few micro-courses in examination training and enterprise training market. With the application of smart phones, micro-courses began to spread rapidly. Because of its short and pithy features, micro-courses are bound to become a popular teaching method.

Experts and scholars headed by Mr. Fan Guoyu, the founder of Micro-course College, have begun to formally study the development technology of micro-course in enterprises, and the production forms are mainly divided into three types:

Baidu encyclopedia-micro class