https://cointelegraph.com/news/pros-and-cons-of-starting-bitcoin-mining-farm-no-more-childs-play

Calculations look good and you are determined to start mining? You might want to turn to UFOMiners LLC, as they will surely provide you with the best advice on how to choose the best mining hardware.

Prove:
http://themerkle.com/bitcoin-scam-site-warning-ufominers/
https://bitcointalk.org/index.php?topic=1665331.0

How many they have got paid for publishing the scam advertisement.
Cointelegraph = Scam advertisement site(Is the publication free for everyone?)  

Anyone can confirm this? 

In this time I'm feeling curious about this sub section because, you can read name of this subsection and but I think the usefulness of this subforum is out of the way!!!! and why I can saying that?because think the content from a many topics in this subforum is not matching with their name "marketplace" and related for buying and selling.

Is someone having same opinions with me?