Ad Tech
The currency war: who gets to count TV's audience now?
Every TV ad deal rests on an agreed way to count who watched — the "currency." For fifty years that meant Nielsen, full stop. The streaming era broke the consensus: panels built for the cable age strain to measure hundreds of fragmented apps and devices, and the market responded by growing rivals.
Going into the 2025–26 season, the US Joint Industry Committee — the broadcaster/agency body formed to vet alternatives — has certified VideoAmp, iSpot, and Comscore as transactable currencies of record, per Marketing Dive and AdWeek's coverage. Add incumbent Nielsen and ad-server-side measurement from players like Innovid, and five firms now compete for the seat that used to belong to one.
The money has followed. VideoAmp cleared more than $3 billion in upfront deals in 2024 — an 880% jump from 2023 — with agreements spanning NBCUniversal, Paramount, Warner Bros. Discovery, Amazon, Netflix, and all five major agency holding companies, per trade reports. AdExchanger's buyer surveys still rank Nielsen first for trust, but no longer by default: buyers increasingly run one currency for national TV and another for streaming-heavy plans.
Why it matters beyond the measurement industry itself: currencies set prices. When two counters disagree about the same campaign's audience — routine in CTV, where device graphs and co-viewing assumptions differ — the choice of currency is a negotiation position. The likely end-state, most analysts argue, isn't a new monopoly but a permanent multi-currency market, with reconciliation a standing line item in every TV deal.