Ratings Firm To Keep C3, C7 Metrics in Fold

Ratings Firm To Keep C3, C7 Metrics in Fold

Nielsen is backing off a plan in the works for years to end trading on average commercial minutes (ACM) — the long used C3 and C7 currencies — by next year. Ad Age says the news is creating confusion, but also fulfilling predictions from some that Nielsen’s new currency wouldn’t be ready in time. Nielsen declined comment, Ad Age said.