To participate, just head over here https://steemit.com/giveaway/@felipejoys/2usrmj-the-daily-incinboost-giveaway-what-s-up.
It's an upvote investment. You send 1 steem and the name of (not yourself) as the memo to
and both of you get a daily upvote from their service, forever. Yes, it's a lot like sbi, but it's more profitable if you post daily according to my calculations (feel free to do your own and let everyone know the results). It's great for daily posters.