What is steem? how to earn through steem?

You start with a nice simple and clean interface, though you are not sure where to find things around and how everything works.
It will be up to you to create new quality content or to curate quality posts, by doing so you'll help yourself and the Steem ecosystem.
Steemit is a blockchain-based social media platform where anyone can earn rewards by contributing quality content and rating content published by others.