Hello and welcome!
Basic tips: click on a post to see if there are comments on it or it's commenting on something.
Jump right into any conversation, or comment on any post. People are friendly here.
There's a bunch of hashtags people use to find content. If you're looking for one related to an interest, search and ask! Popular ones include #cosomusic #catsofcoso #dogsofcoso #caffeineclub.
I use #queercoso and #transgendercoso a lot.