What Are Different Components of Strong Asincranous Virtual Communities?

What are different components of strong asincranous virtual communities? I have a little list here, and would love to get input, is from yourself, august. And just think about the things, different components of any virtual community before talking about sore of the specific tools that are out there right now. There's different types of ways people can share written content in communities. One is through foreign posts, which are a bit more permanent. That contrasts with a chat style room, something you might see in a two like slack.