Americans conducted 14.3 billion core searches in March -- a 9% gain versus February, according to comScore's monthly qSearch analysis of the U.S. search marketplace.
Google sites led
the U.S. core search market in March with 63.7% of the searches conducted, followed by Yahoo sites (20.5%), Microsoft sites (8.3%), Ask Network (3.8%) and AOL LLC (3.7%).--Tanya Irwin