What are the paid and free promotion channels?

What are the common channels and methods of free network promotion? You can refer to the following channels:

1, Q&A platform promotion, each search engine has its own Q&A platform, just like its own children, which is highly weighted and inclusive, and everyone can make good use of it.

2, forums, post bar marketing, these platforms have a certain verticality, gathered people with unified interests.

3. Short video platforms have their own gameplay and recommendation mechanisms. Only by mastering these, can you get more likes, concerns, fans and comments, and let your works get the maximum exposure. The rise of short video platform has satisfied the curiosity, fast-moving consumer goods and spare time of netizens, but as long as it is well controlled, it can gain a large number of fans without too high skills.

4.EDM marketing is actually email marketing. This is just a representative. For example, SMS marketing is to use the law of large numbers to send thousands of messages to users and screen out their intended customers. This requires more professional technology and software, but these also have special videos, which I believe can help everyone.