I heard that some companies publish recruitment information randomly for the purpose of promoting their own companies?

Job fairs, newspapers with large circulation and information on the Internet are mostly false. After looking for a job for a year, I have a deep understanding of it. Most of them are just for publicity, and some of them are really important people. It depends on your luck. Generally, big companies are real, or they are the only ones who know. I am in a company now, and I advertise online every day. In fact, the possibility of wanting someone is too small, unless you are excellent. It is better to go to some job fairs, which is more likely!