Watch the explosion advertisements upstairs and downstairs by yourself. These user names are contact information. They hang up on the Internet and take the initiative to chat with you, claiming that they can earn living expenses in two or three hours every day, crying and dragging you to see the website or personal space provided by him, advocating a network cable to start a business easily, and asking you to open an account and invest for free. At first, they posted a collection map for you. What kind of person do you think?