I think these services are in a bad spiral, as they don't provide good advertising their advertisers won't be satisfied. You don't get good attraction in a crowd paid to view your ad IMO.
Short term it's better to take a guess at BTC price next week and see if you'r lucky :)
![](https://images.hive.blog/768x0/https://steemit-production-imageproxy-upload.s3.amazonaws.com/DQmXSoaCbua6mhEKuPi78FCWRjpM46yN2zcQK1bSV28pdgp)