Steemit is the first social media and blogging platform that built on top of steem blockchain. You create content and if people like your content, they will upvote that. You will get reward as steem and SBD. Steemit started its journey in 2016. Many people are joining steemit every day. It is getting more popular.
If you are passionate about writing, and want to express your thoughts, idea and feelings to the world, you can start bogging. You do not have to buy domain and hosting to start blogging on steemit. Just create a steemit account. And you are ready to publish your articles.
You don't have to think of monitization on steemit. Your monitization is on when you sign up. If you make quality content or contribute to the community, you will get reward for that.
If you want to get into cryptocurrency, you have to buy or mine it. Steemit gives you the golden opportunity to get into cryptocurrency. Just make quality content and get steem and SBD.
Since I'm answering this question on musing, you know about musing. Musing is a question answer platform like Quora, but it is built on top of steem blockchain. You will be rewarded for your contribution on musing. You can ask any question and get the answer in time. You can also answer others question like I'm doing right now. Musing is growing faster day by day.
The way steemit and musing is moving forward, I think that steemit and musing will become a big platform sooner or later.