http://coins.billionherocampaign.com/
edit #1: removed referal link
edit #2:
... two lessons learned from this exercise:
1. Promoted post will receive much attention.
2. Attention will be negative if there's a referal link in the post.
While it may not be a scam in your opinion, it could be considered spam. Spam is not appreciated by the community and could be flagged or may result in action from the cheetah bot..
Some things that can be considered spam:
This post is just someone spamming their referral link - no meaningful content! Flag!