Ever since comScore acquired Rentrak, the merged companies have posed competition to ratings giant Nielsen. Now, the merged digital measurement firm has signed a multi-year deal with Viacom to help the media giant more accurately target specific demographics across its linear TV, digital, mobile and over-the-top channels including MTV, VH1 and Comedy Central. Viacom offers Vantage as a data-targeting service to advertisers who want to reach “new parents looking for diapers” and other more granular targets. Continue reading Viacom Inks Multi-Year Deal for comScore/Rentrak Digital Data

Nielsen, long the dominant player in audience measurement data for media companies and advertisers, now has competition. Recently, comScore, which measures consumer Web activity, made an all-stock purchase of Rentrak, which monitors set-top box data for information on consumers’ TV viewing habits. Nielsen, however, countered with its “total audience measurement tool,” which is slated to roll out by the end of 2015. Nielsen has been criticized as being slow to address media consumed on digital platforms. Continue reading TV Metrics Space Heating Up Between Nielsen and comScore