CPM means that the cost of advertising is broken down and charged at a per click cost, i.e. every time someone clicks the ad the company is charged, so the CPM is the cost incurred every time the ad reaches 1000 views.
CPM means that the cost of advertising is broken down and charged at a per click cost, i.e. every time someone clicks the ad the company is charged, so the CPM is the cost incurred every time the ad reaches 1000 views.