CPM comparison shows OOH is more affordable than other media (Billboard Insider)
Insider’s take: Good and bad news here. A cheap CPM means out of home is a great value for clients. It also suggests we aren’t asking enough money for our inventory. […]
billboardinsider.com
Sun, Jul 28, 2019 at 2:37 AM
Sun, Jul 28, 2019 at 2:37 AM