Honestly I really miss the Reddit programming subreddits (never went back after they shut down RiF) but I was usually just a lurker there. There are certain things I'd weigh in on,.and some things I wouldn't, and if you've not got much content I guess a lot of ppl like me just won't engage.. Really it's a chicken-and-egg problem though -- if people are having interesting conversations here about Rust, some people will probably come to follow them and contribute; but you won't get the interesting conversations if the people aren't here. So maybe convincing people from other communities to have their chats here is the requirement. In terms of practical things do do? I dunno. Maybe linking to the occasional GitHub (drama or feature) is probably an easy thing that someone could do to get some conversations going for example maybe? But as I said, lurker mostly. Not really my thing to come up with posts...