ACNielsen
An olde-timey ratings firm that began back in the day, when TV watching (and ad sponsorship) was just becoming a Thing. Nielsen applied fancy, full-contact stats to impute ratings and total television viewership.

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An olde-timey ratings firm that began back in the day, when TV watching (and ad sponsorship) was just becoming a Thing. Nielsen applied fancy, full-contact stats to impute ratings and total television viewership.