Google last month announced that it has partnered with Nielsen to bring YouTube CTV and YouTube TV into in Nielsen Total Ad Ratings (TAR) in the U.S., this year.
According to Google, the release will include deduplication of YouTube inventory across all platforms — CTV, computer, mobile and linear TV — to better compare YouTube reach to linear TV.
Co-viewing will also be included in Nielsen’s DAR guarantees ad reporting in the U.S.