Organization	6 Months Ended
Jun. 30, 2011
Organization [Abstract]
Organization	1. Organization comScore, Inc. (the “Company”), a Delaware corporation incorporated in August 1999, provides a digital marketing intelligence platform that helps customers make better-informed business decisions and implement more effective digital business strategies. The Company’s products and solutions offer customers insights into consumer behavior, including objective, detailed information regarding usage of their online properties and those of their competitors, coupled with information on consumer demographic characteristics, attitudes, lifestyles and offline behavior. The Company’s digital marketing intelligence platform is comprised of proprietary databases and a computational infrastructure that measures, analyzes and reports on digital activity. The foundation of the platform is data collected from a panel of more than two million Internet users worldwide who have granted to the Company explicit permission to confidentially measure their Internet usage patterns, online and certain offline buying behavior and other activities. For measuring and reporting online audiences, comScore also supplements panel information with Web site server metrics. This panel information is complemented by a Unified Digital Measurement solution to digital audience measurement. Unified Digital Measurement blends panel and server methodologies into a solution that provides a direct linkage and reconciliation between server and panel measurement. By applying advanced statistical methodologies to the panel data, the Company projects consumers’ online behavior for the total online population and a wide variety of user categories. Also, with key acquisitions, the Company has expanded its abilities to provide its customers a more robust solution for the mobile medium as well as expanded its abilities to provide its customers with actionable information to improve their creative and strategic messaging. Recent acquisitions have also enabled the Company to expand its geographic sales coverage.

Organization

6 Months Ended

Jun. 30, 2011

1. Organization

comScore, Inc. (the “Company”), a Delaware corporation incorporated in August 1999, provides a digital marketing intelligence platform that helps customers make better-informed business decisions and implement more effective digital business strategies. The Company’s products and solutions offer customers insights into consumer behavior, including objective, detailed information regarding usage of their online properties and those of their competitors, coupled with information on consumer demographic characteristics, attitudes, lifestyles and offline behavior.

The Company’s digital marketing intelligence platform is comprised of proprietary databases and a computational infrastructure that measures, analyzes and reports on digital activity. The foundation of the platform is data collected from a panel of more than two million Internet users worldwide who have granted to the Company explicit permission to confidentially measure their Internet usage patterns, online and certain offline buying behavior and other activities. For measuring and reporting online audiences, comScore also supplements panel information with Web site server metrics. This panel information is complemented by a Unified Digital Measurement solution to digital audience measurement. Unified Digital Measurement blends panel and server methodologies into a solution that provides a direct linkage and reconciliation between server and panel measurement. By applying advanced statistical methodologies to the panel data, the Company projects consumers’ online behavior for the total online population and a wide variety of user categories. Also, with key acquisitions, the Company has expanded its abilities to provide its customers a more robust solution for the mobile medium as well as expanded its abilities to provide its customers with actionable information to improve their creative and strategic messaging. Recent acquisitions have also enabled the Company to expand its geographic sales coverage.