How do the networks know when you watch certain programs?

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How do the networks know when you watch certain programs?

we always see how many people watch different shows (50 million people watched the Superbowl), but how do they really know how many people watch a certain show on a given night?

2006-09-21 13:53:00 · 3 answers · asked by Jenny H 3 in Entertainment & Music ➔ Television

3 answers

Nielsen Media Research, and lots of algorythms

2006-09-21 13:54:39 · answer #1 · answered by anny2005 2 · 1⤊ 0⤋

Satellite:An example is a green dot comes on per person who is watching the channel even though thats not how it really is.

2006-09-21 21:17:37 · answer #2 · answered by Nicholais S 6 · 0⤊ 0⤋

with satelite it is easier..i think because they can track it thtough the hook up

2006-09-21 20:58:32 · answer #3 · answered by nas88car300 7 · 0⤊ 0⤋