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A comment on Netflix Saves Kids from Up to 400 Hours of Commercials a Year. Parent comment

Re:Netflix Saves Kids from Up to 400 Hours of Commercials a ... by dudus on Tuesday May 14, 2019 @01:52PM (#19911911)
They install tracking boxes in the TV's of a sample of the population. This is done with the family authorization and often they get compensated for it. There's a lot of work that goes into choosing the sample so it's representative of the total population.

Source: a friend that worked in the field.

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Re:Netflix Saves Kids from Up to 400 Hours of Commercials a ... by Amezarak on Tuesday May 14, 2019 @05:52PM (#19914214)
I was a Nielsen subject on multiple occasions and it depended entirely on self reporting via a paper questionnaire.
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