Ad Age subscribers received print editions of this report with their Nov. 3, 2008 issue. To order extra copies of Advertising Age that include the supplement Search Marketing Fact Pack, available for $4.99 per copy, e-mail Subs@Crain.com or firstname.lastname@example.org.
PRIMARY SOURCES FOR SEARCH MARKETING FACT PACK 2008:
Compete (A unit of TNS Media) Compiles its data by balancing multiple data sources, including ISPs, ASPs, and its own opt-in panel of 2 million internet users.
ComScore ComScore measures the digital world and provides digital marketing intelligence. Using monthly surveys, on-device metering and automated data collection methodologies.
ComScore m:metrics ComScore M:Metrics assesses the audience for mobile content, advertising and devices in the U.S. and Europe.
Emarketer Provides research and analysis on digital marketing and media, and analyzes information from more than 3,000 sources, bringing it together in reports, articles and a comprehensive database.
Forrester Research Provides advice to global leaders in business and technology, as well as proprietary research, consumer insight, co nsulting, events, and peer-to-peer executive programs.
Hitwise Provides online competitive intelligence to 1,500 clients around the world, including daily insights on how customers interact with a broad range of competitive websites, and how businesses use different tactics to attract online customers.
Nielsen Online Provides independent measurement and analysis of online audiences, advertising, video, blogs, consumer-generated media, word of mouth, commerce and consumer behavior.
SEMPO A global non-profit organization serving the search engine marketing industry and marketing professionals engaged in it.