Home - HubSpot Digital Advertising - What enables web publishers and digital out-of-home media owners to manage their advertising inventory?What enables web publishers and digital out-of-home media owners to manage their advertising inventory?2shares Facebook Twitter Pinterest LinkedIn Skype Facebook MessengerQuestion: What enables web publishers and digital out-of-home media owners to manage their advertising inventory?Demand-side platformData management platformAdvertising platformSupply-side platformThe right answer was: Supply-side platform