System: It Turns Out That Future Generations Live Like This

Zhang Fei, an unemployed person preparing for the exam, accidentally downloaded a software that allows him to make money by watching short videos. In order to make money, he started the task of watching videos every day, but what he didn't know was that every video he watched would be posted to various dynasties. Note: The videos played by the protagonist will be divided into four parts: history, science and technology, modern life, and world situation. The protagonist will not know that his video has been released to various dynasties in the end. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.