Business
Most popular sites: Yahoo, Google, MSN, AOL
Yahoo has the widest usage on the Net, reaching 52 mil of U.S.
Yahoo has the widest usage on the Net, reaching 52 mil of U.S. users in a month, or 48%. Google is used by 47 mil, followed by MSN at 41 mil and AOL at 31 mil. About 60% of MSN's users, for instance, do not use search.