I don’t know much about the current state of adtech, so I’d be hard-pressed to make specific recommendations. As a broadcast medium, TV stations had basically

I don’t know much about the current state of adtech, so I’d be hard-pressed to make specific recommendations. As a broadcast medium, TV stations had basically no data about the number of viewers that they had; Nielsen instrumented a representative sample of consumer TVs and the sold that data to both stations and advertisers.