U.S. Online Display Advertising Market Delivers 1.1 Trillion Impressions in Q1 2011
*Facebook.com Now Accounts for Nearly 1 in 3 Online Display Ads in U.S.*
RESTON, VA, May 4, 2011 – comScore, Inc., a leader in measuring the digital world, today released an overview of the U.S. online 
display advertising market for Q1 2011 based on data from comScore Ad Metrix, indicating that nearly 1.11 trillion display ads were delivered to U.S. Internet users during the quarter. Facebook accounted for 346 billion impressions, nearly double the number it delivered in Q1 2010, and accounting for nearly one third of all display ad impressions delivered. (more…)