Comscore 

comScore Inc is a information and analytics company that measures advertising, content, and the consumer audiences of each, across media platforms. It create products using a data platform that combines information on digital platforms (connected televisions, mobile devices, tablets and computers), televisions, direct to consumer applications, and movie screens with demographics and other descriptive information. The company has developed proprietary data science that enables measurement of person-level and household-level audiences, removing duplicated viewing across devices and over time. Its segments include Content & Ad Measurement and Research & Insight Solutions of which the Content & Ad Measurement segment derives the majority of the revenue.