AOL Advertising Ranks #1 Among Ad Networks, Followed by Yahoo! Network and Google Ad Network
RESTON, VA, January 14, 2010 – comScore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world today reported the top 15 ad networks based on their reach among U.S. Internet users in December 2009. The ranking showed that AOL Advertising remains the top ad network, reaching 187 million U.S. Internet users, or 91 percent of the total audience, followed by Yahoo! Network (180.9 million) and Google Ad Network (178.1 million). The fastest growing ad network by audience reach among the top 15 was Microsoft Media Network U.S., which grew 31 percent versus year ago, followed by Collective Network (up 22 percent) and Audience Science (up 16 percent).