"Firefox, the free open-source Web browser from Mozilla.org,
quietly gained enough users in March to finally grab 10 percent of
the Web browser market, according to a report released Monday by
Web audience measurement firm Net Applications.
"Firefox was used by 10.05 percent of Web surfers last month, up
from 9.75 percent in February. That compared to the 84.7 percent of
users on various versions of Microsoft Corp.'s Internet Explorer
(IE) in March..."