Write about anything you want.
Make sure its interesting.
People will up-vote you if they like your article.
The up-votes you recieve are worth Steem Dollars. (which eventually can be worth 'real' dollars)
Click on the Green UP ARROW under other peoples articles and comments.
Thank you.
Someone told me about Bots
Try this one:
steemvoter.com
its for voting.
you can add me to it if you want ;) nudge nudge ;)
I will add you to mine if you add me to yours