More than once, from different accounts, I came across the fact that the grid steals bundles and tries to fill them with its media.  
After successful bays, the price of traffic immediately begins to rise, and accounts receive bans. I learned from close communication with the manager that this is a common practice for them. There is no longer the propeller that was a few years ago. 
To make sure of this, I embedded a script in the preland that shows the parallel launch of the preland from other domains, and lo and behold, literally 2 days after the launch of the company, I see someone else's domain in the status. Naturally, I go to the junction to check if someone has blocked the connection, but no, there is nothing in the junction. 
Another day later, I get a ban out of the blue that I can't drive traffic this bundle (although I agreed everything in advance with the policy and managers BEFORE the LAUNCH and received full approval of everything that is) There were no violated policies, and now there are stupid requests like (provide a letter from the rector that you can drive traffic it and other far-fetched stories). 
If you don't want to strain your muscles, don't start here. Don't knock conversions and postback payouts into the grid like I did (naively).

 Either cloakroom, but they often either break through the cloakroom or (They will ban your account because they consider your cloakroom lands to be just suspicious, for no obvious reason).