We use a couple of big networks for CPM, one starts with a "Gl" the other has the initials TF. Traditionally the CPM revenue has been fine with these and more

We use a couple of big networks for CPM, one starts with a "Gl" the other has the initials TF. Traditionally the CPM revenue has been fine with these and more than paid the bills - in January it just dropped off into hell. The cause is that advertisers have slashed their budget and are no longer shelling out for CPM ads.