How are television ratings determined in the past and present?

Babette Deloe: One method (old school) was the "Nielsen Ratings". See http://en.wikipedia.org/wiki/Nielsen_ratings(The principle idea is to take a sample of known parameters in this case volunteers, then using statistical methods, expand the guessable values for the entire population).New technology is however augmenting this:DirecTV monitors what you are watching and sends data back to HQ; done as per the default agreement.Part IV; "The default privacy preferences, to which you hereby consent if you do not request a change to your settings, do not allow us to collect Personally Identifiable Viewing Information, but do allow us to collect, use, and disclose all Customer Information"...blah, blah, blah).(Very likely all forms of 'television' delivery (cable, satellite, etc.) have this technology.)and:The TV That Watches You; https://www.technologyreview.com/web/38383/?mod=ch......Show more