Question about steemit?

How does it work?
Is there an age limit?
Is it legal or illegal?
Is it legit?
Is there a post limit?
Can i meet other people?
Is it like any social media?
May it's a scam?
Would it increase my knowledge?
Is it cool?
Can i gain income?
I won't get killed right?
Why does it called steemit?
Since when did it started?
Would i get bashed?
Would anyone care about my post?
What if i can't fluently type in English language?is it ok?
Is it an online job?
Can i get a job with it?
Is it ok if i post stuff every other day?
What would i gain with it?