@snehaa is because you are new, that is why you are asking this question.
Steemit change your world, change your thinking, change your ways of living. Steemit take 90% of your time.
You keep reading and reading different kind of post and in the long run, you keep learning and be rewarded for your knowledge.
What you learnt for Steemit, you can still be rewarded for it,if you can apply your brain. Steemit is my world.