English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

2007-01-05 07:53:23 · 3 answers · asked by robbie 2 in News & Events Media & Journalism

3 answers

They have a sample population and they install boxes onto their televisions and it records when they turn the tv on and off.

2007-01-05 07:56:47 · answer #1 · answered by NikNak 3 · 1 0

signals from the tv's are put into a pc so they do it that way same 4 sky

2007-01-05 10:32:15 · answer #2 · answered by liam0_m 5 · 0 0

nik nak is right ,only tnite i had a woman at my door doing a survey, and she said they put a numbers thing on your tv and everytime you change channels it rates what you are watching

2007-01-05 08:10:31 · answer #3 · answered by LYNDA M 5 · 0 0

fedest.com, questions and answers