[mtgx]

The cheap CPC and cpm is why Google and Facebook would never consider doing that. Especially Google I've noticed recently that they try to be as misleading as possible to new advertisers to get them to pay a lot of money for crap as targettng. For instance they call what are effectively as interactions as clicks and refer to the cost as CPC even though in all of Google's other as types CPC refers to click to website. But in Gmail campaigns it means ad interactions which convert to almost an order of magnitude fewer clicks to website but the advertisers pay at best only half the cost of regular clicks.