Probably something like IAS's video viewability tools[1]. There are some big players in the traffic verification space as advertisers like myself don't want to

Probably something like IAS's video viewability tools[1]. There are some big players in the traffic verification space as advertisers like myself don't want to pay for garbage traffic. [1] https://integralads.com/capabilities/video/ https://integralads.com/capabilities/video/