In a major breakthrough, Nielsen has signed a multi-year deal with Dish Network to use data from its 14-million set-top boxes for ratings, in addition to its long-standing 40,000-household panel. The deal comes on the heels of comScore’s merger with Rentrak, which also measures set-top-box data, as that company attempts to challenge Nielsen’s dominance in TV audience measurement. The Dish deal, which is not exclusive, will let Nielsen improve ratings in local, smaller markets where panelists aren’t measured electronically. Continue reading Nielsen Breaks into Set-Top Box Data with Dish Network Deal