Posting is because the people who need to post, that is, the so-called advertisers, need to expand the publicity of a specific content for a certain purpose and are willing to pay a certain fee to the professional posting and reply promotion team, and these teams will pay a large part of the fee to the people who post in various forums, that is, the so-called "posts".

forum

Forum, also known as [BBS], is an electronic information service system on the Internet. It provides a public whiteboard on which every user can write, post information or make comments. It is an interactive, rich and real-time Internet electronic information service system.