Cable-TV firms sell campaigns data about subscribers’ individual viewing habits. It arrives anonymised, but with addresses, which can then be matched to the addresses on voter-registration and canvassing databases. So if, for example, people living at addresses marked as potentially Republican happen to watch lots of golf, then a Republican candidate might buy ads on the Golf Channel. Indeed, according to a study by Echelon Insights, a political consultancy, 93% of political spots on that channel are Republican; on Comedy Central, by contrast, the ads are 86% Democratic.
By 2016 advertising will be even more precise, reckons Mr Goldstein. The newest thing offered by cable and satellite TV companies is called “addressable advertising”. This allows advertisers to buy the viewers they want rather than slots on particular programmes. So whatever the target voter watches, a campaign advertisement will appear in the middle of that show, via the set-top box.
Read more at the Economist
