In present musing is very well known medium in steemit. Where you can ask questions and also answer the questions. Those who are expart about steemit they can answer those questions. Or those who are curious about any thing they can ask questions in musing.
I think we have 500k people in musing. People who help people by answering or questioning. Many people are able to get knowledge from this. This way musing is becoming more popular day by day. In the future musing will be more popular and get more members.