Steem Mining--- Is It True?

So today i heard about the mining of steem from @jerrybanfield. so i want to know something about it please reply to my questions anyone !

1). how many of you guys are doing mining ?
2). Is it good for earning steem ?
3). Any system recommendations ?
4). How to setup steem mining because i am unable to set on my machine?

Please share your experience with me and everyone on my following list !

Thanks