Sticking a post is to let people who are interested in the same topic get together, facilitate exchanges and mutual assistance, and discuss with people from different places. Feel free to post, reply, post, etc. Improve your status in this bar and let more people know you. Good communication can also add him (her) as a friend or pay attention to him (her) becoming his (her) fan ~ ~ So, Post Bar is actually a platform for making friends. As for its function, naturally it is to know more good friends and chat online ~ ~ ~ Now, you should understand, what is the function of the post bar?