According to Nielsen Digital Ad Ratings, internet targeting globally is only ___% accurate at reaching broadly defined audiences:

A. only 55% accurate

B. only 60% accurate

C. only 65% accurate

D. only 70% accurate

correct answer

C. only 65% accurate

explanation:

The persistent logins used across the Facebook family of apps and services can better help identify and retarget people across multiple and shared devices than browser-based cookies alone. According to Nielsen Digital Ad Ratings, internet targeting globally is only 65% accurate at reaching broadly defined audiences. Facebook is 85% accurate in broadly targeted global campaigns—and up to 90% accurate for US campaigns combining age and gender.

source: https://www.facebookblueprint.com