Cable TV is allowing for some very interesting targeting abilities as dicussed in this MediaPost article:
A deal signed last December now allows spot cable rep firm National Cable Communications to test technology from Visible World and SeaChange International. The technology gives advertisers the ability to put together different versions of commercials and deliver them to customers in different geographic zones using cable TV availability. The manufacturers say the variables that can be customized in real time include geographic selectivity, programming content, demographic clusters, date/time sensitivity, and product offerings.
